Patents 5258404 - 5258658

 

 

Patent 5258404: 3-(Unsubstituted or substituted benzyl)-1-alkyl-2-oxocyclopentane carboxylic acid alkyl ester derivatives, method for preparation
(DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS : DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) : Ester DOAI : Cyano or isocyano bonded directly to carbon : Benzene ring containing : C=O other than as ketone or aldehyde : The cyano is bonded directly to a benzene ring : Chalcogen or nitrogen bonded directly to the hetero ring)

Patent 5258405: Urea derivatives and salts thereof in method for inhibiting the ACAT enzyme
(DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS : DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) : Nitrogen containing other than solely as a nitrogen in an inorganic ion of an addition salt, a nitro or a nitroso DOAI : Ureas (i.e., N-C(=O)-N) : Benzene ring containing : Benzene ring bonded directly to urea nitrogen : Benzene ring is part of a substituent which contains nitrogen : Z radical contains two or more nitrogen atoms at least one of which forms a C(=X)N group (X is chalcogen))

Patent 5258406: Sulfonimidamides
(DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS : DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) : Nitrogen containing other than solely as a nitrogen in an inorganic ion of an addition salt, a nitro or a nitroso DOAI : Ureas (i.e., N-C(=O)-N) : Sulfur attached directly to urea nitrogen by nonionic bonding : Sulfur is part of a substituent which contains additional nitrogen : Benzene ring containing)

Patent 5258407: 3,4-disubstituted phenols-immunomodulating agents
(DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS : DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) : Nitrogen containing other than solely as a nitrogen in an inorganic ion of an addition salt, a nitro or a nitroso DOAI : Carboxamides (i.e., R-C(=O)-N, wherein R is a radical having carbon bonded directly to the C(=O)-N or is hydrogen and wherein any substituent attached to nitrogen will be referred to as E) : R contains benzene ring : R contains benzene ring)

Patent 5258408: Process of repelling insects from an area by application of N-alkyl neoalkanamide insect repellent thereto
(DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS : DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) : Nitrogen containing other than solely as a nitrogen in an inorganic ion of an addition salt, a nitro or a nitroso DOAI : Carboxamides (i.e., R-C(=O)-N, wherein R is a radical having carbon bonded directly to the C(=O)-N or is hydrogen and wherein any substituent attached to nitrogen will be referred to as E) : R is acyclic : C-O- group in R)

Patent 5258409: Treatment for sanitizing aqueous solutions
(DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS : DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) : Nitrogen containing other than solely as a nitrogen in an inorganic ion of an addition salt, a nitro or a nitroso DOAI : Quaternary ammonium containing : Aldimines or ketimines which contain a benzene ring (i.e., RC=N wherein R is C or H))

Patent 5258410: Aromatic compounds, their production processes and their compositions for the control of insect pests
(DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS : DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) : Ether DOAI : Benzene ring containing : Plural oxygens : Plural benzene rings : Two benzene rings bonded directly to the same C=O)

Patent 5258411: Activation conditions to maximize the HCS activity of supported cobalt catalysts (OP-3706)
(CHEMISTRY: FISCHER-TROPSCH PROCESSES; OR PURIFICATION OR RECOVERY OF PRODUCTS THEREOF : GROUP VIII METAL CONTAINING CATALYST UTILIZED FOR THE FISCHER-TROPSCH REACTION (I.E., FE, CO, NI, RU, RH, PD, OS, IR, OR PT) : Solvent utilized)

Patent 5258412: Vitreous replacement
(DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS : DESIGNATED ORGANIC NONACTIVE INGREDIENT CONTAINING OTHER THAN HYDROCARBON : Oxygen gas containing)

Patent 5258413: Continuous ultrasonic devulcanization of valcanized elastomers
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : PROCESS OF TREATING SCRAP OR WASTE PRODUCT CONTAINING SOLID ORGANIC POLYMER TO RECOVER A SOLID POLYMER THEREFROM : Process of treating scrap or waste product containing at least one polymer derived from ethylenic unsaturated monomers only : Treating rubber (or rubberlike materials) or polymer derived from a monomer having at least two ethylenic unsaturated moieties : Treating with mechanical action and in the absence of a chemically reactive additive or solvent : Containing hydroxyl group)

Patent 5258414: Adhesives and sealants
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT, E.G., FOAMS, PORES, CHANNELS, ETC. : Process of forming a cellular product subsequent to solid polymer formation in the presence of a stated ingredient, noncellular composition capable of forming a cellular product and containing a stated ingredient, or process of preparing same : Ingredient is protein, carbohydrate, or natural resin : Treating polymer derived from vinyl chloride monomer)

Patent 5258415: Expandable styrene polymers containing carbon dioxide as blowing agent
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT, E.G., FOAMS, PORES, CHANNELS, ETC. : Process of forming a cellular product subsequent to solid polymer formation in the presence of a stated ingredient, noncellular composition capable of forming a cellular product and containing a stated ingredient, or process of preparing same : Ingredient is ether, alcohol, or inorganic alcoholate, e.g., phenol, etc. : Treating polymer derived from vinyl chloride monomer)

Patent 5258416: Rigid polyurethane foams containing lithium salts for energy absorbing applications
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT, E.G., FOAMS, PORES, CHANNELS, ETC. : Cellular product formation prior to or during solid polymer formation in the presence of a stated ingredient other than water : Ingredient contains a metal atom : Metal atom is part of an organic compound : Organic metal compound contains a Group I or Group II metal atom :)

Patent 5258417: Low viscosity polymeric MDI
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT, E.G., FOAMS, PORES, CHANNELS, ETC. : Cellular product derived from a -N=C=X containing reactant wherein X is a chalcogen atom : Two or more N=C=X reactants : With conjugated diene reactant)

Patent 5258418: Low density, water-blown, rigid polyurethane foams having good physical properties and improved initial surface friability
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT, E.G., FOAMS, PORES, CHANNELS, ETC. : Cellular product derived from a -N=C=X containing reactant wherein X is a chalcogen atom : With nitrogen containing reactant : Nitrogen reactant contains a C-XH group wherein X is a chalcogen atom and wherein the C atom is not double-bonded to a chalcogen atom : Organic metal compound contains tin)

Patent 5258419: Methods of preparing radiation resistant heat sealable polymer blends
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : COMPOSITIONS TO BE POLYMERIZED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR COMPOSITIONS TO BE MODIFIED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR PROCESSES OF PREPARING OR TREATING A SOLID POLYMER UTILIZING WAVE ENERGY : Processes of chemically modifying a blend of two or more solid polymers in the presence of a chemical reactant; or compositions therefore : Condensate or solid polymer contains oxygen other than as part of a carboxylic acid ester moiety)

Patent 5258420: Bone cement for sustained release of substances
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF : Nonmedicated composition specifically intended for contact with living animal tissue or process of preparing; other than apparel : Composition suitable for use as tissue or body member replacement, restorative, or implant : Composition suitable for use as tooth or bone replacement, restorative, or implant : Cement or filling composition :)

Patent 5258421: Method for making tacky, hydrophilic gel dressings
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF : Nonmedicated composition specifically intended for contact with living animal tissue or process of preparing; other than apparel : Compositions for use in tape adhesives, binder or impregnate for a body fluid adsorbent device, e.g., a surgical adhesive tape, etc. : Polymer of a heterocyclic N-vinyl polymerizable compound)

Patent 5258422: Compostable thermoplastic compositions
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF : Composition containing an additive which enhances degradation by environmental stimuli or process of preparing : Aperture affecting composition, e.g., earplug, dilator, etc.)

Patent 5258423: Stabilization of methacrylic polymers against sterilizing radiation
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF : Process of forming a composition of a solid polymer or solid polymer forming system by admixing a product in the form of a surface coated, impregnated, encapsulated, or surface modified fiber, sheet, particle, or web, with a material; or composition which is the result of said admixing : Product having a solid synthetic polymer or solid polymer-forming system : Product having two or more solid synthetic polymers, or a solid polymer and a solid polymer-forming system : Composition contains a phenolic, amine, or ketone condensate with aldehyde plus a polymer derived from ethylenic monomers only)

Patent 5258424: Aqueous coating composition capable of forming a coating with improved moisture permeability
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF : Process of forming a composition having two or more solid materials having defined physical dimensions or surface areas; or composition containing same : Two or more solid synthetic polymers having defined physical dimension or surface area : Glass)

Patent 5258425: Solvent-free floorcovering adhesive and method of producing same
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF : Inverting phase relationships or reapportioning the distribution of ingredients among phases : Inversion to form water-in-oil system : Glass)

Patent 5258426: Semiconductor device encapsulant
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF : Process of forming a composition containing a nonreactive material (NRM) and a polymer containing more than one 1,2-epoxy group, or a preformed polymer derived from or admixed with a reactant containing more than one 1,2-epoxy group, or with a polymer derived from an epihalohydrin and a polyhydric phenol or polyol; or composition or product thereof : Solid polymer derived from reactant containing element other than C, H, O, or N or chlorine-containing reactant of three or more carbon atoms : Polymer derived from ethylenic reactants only)

Patent 5258427: Heat curable adhesive
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF : Process of forming a composition containing a nonreactive material (NRM) and a polymer containing more than one 1,2-epoxy group, or a preformed polymer derived from or admixed with a reactant containing more than one 1,2-epoxy group, or with a polymer derived from an epihalohydrin and a polyhydric phenol or polyol; or composition or product thereof : Carboxylic acid or derivative devoid of heavy metal atom DNRM : Phosphorus directly bonded to nitrogen)

Patent 5258428: Additive composition for oil well cementing formulations
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : Water settable inorganic compound as nonreactive material : Solid polymer or specified intermediate condensation product derived from at least one oxygen-containing reactant and which is devoid of a fused ring or bridged ring system : Derived from carboxylic acid or derivative :)

Patent 5258429: Cellulose ether compositions for aqueous media
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : Carbohydrate or derivative DNRM : Atom other than O, H, C, S, or Group IA metal : Cellulose derivative : Solid polymer derived from ethylenic reactants only)

Patent 5258430: Polymer compositions for the production of articles of biodegradable plastics material and methods of their preparation
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : Carbohydrate or derivative DNRM : Starch or derivative or farinaceous meal or flour : Solid polymer derived from ethylenic reactants only : Alkyl)

Patent 5258431: Weather-resistant polyacetal resin compositions exhibiting reduced surface gloss characteristics, and molded articles thereof
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon : Organic DNRM : Nitrogen atom as part of a hetero ring DNRM : Six-membered nitrogen ring, e.g., pyridine, etc. : Six-membered nitrogen ring having two or more ring nitrogen atoms : Two or more nitrogen rings)

Patent 5258432: Ignition resistant polycarbonate blends
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon : Organic DNRM : Phosphorus organic compound DNRM : Pentavalent phosphorus atom directly bonded to at least one oxygen atom : P directly bonded to oxygen only : Aryl group : Spiro ring)

Patent 5258433: Sulfoxides of alkylthiomethylphenols
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon : Organic DNRM : Organic compound having a sulfur bonded directly to oxygen DNRM : Phosphorus directly bonded to carbon atoms only)

Patent 5258434: Flame-retardant polybutylene terephthalate resin compositions and mold parts formed therefrom
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon : Organic DNRM : Carboxylic acid or derivative and wherein the derivative is other than a metal salt DNRM : Two or more carbon atoms : Ester having at least two carboxylic acid ester groups : Oxygen atom other than as part of a carboxylic acid ester group : OH group other than as part of a COOH group, e.g., castor oil, etc. : Nonreactive material contains atom other than C, H, or O)

Patent 5258435: Palladium-containing polymer composition and a process for its preparation
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon : Organic DNRM : Ketone or ketene DNRM, i.e., C(C=O)C or C=C=O : Two or more C(C=O)C groups : With nonreactive organic material)

Patent 5258436: Film-forming composition; method of producing same and use for coating pharmaceuticals and foods and the like
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon : Organic DNRM : Carbon atom single bonded to an oxygen atom and wherein the carbon atom is not double bonded to a chalcogen atom DNRM, e.g., alcohols, etc. : At least two -OH groups : At least one solid polymer derived from ethylenic reactants only : At least two diverse halogen atoms)

Patent 5258437: Silicone putty compositions
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon : Inorganic compound devoid of a silicon atom DNRM : Boron atom DNRM : Boron directly bonded to oxygen : At least one solid polymer derived from ethylenic reactants only)

Patent 5258438: Flame retardant resin composition based on bromostyrene-containing polymers
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon : Inorganic compound devoid of a silicon atom DNRM : Group V metal atom DNRM (i.e., V, Nb, Ta, As, Bi, Sb) : Antimony : At least one solid polymer derived from ethylenic reactants only)

Patent 5258439: Flame-retardant nylon resin composition
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon : Inorganic compound devoid of a silicon atom DNRM : Group V metal atom DNRM (i.e., V, Nb, Ta, As, Bi, Sb) : Antimony : With halogenated nonreactant material : At least two diverse halogen atoms)

Patent 5258440: Resin compositions of high heat resistance
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon : Inorganic compound devoid of a silicon atom DNRM : Carbon atom DNRM : Sulfate group, e.g., calcium sulfate, etc.)

Patent 5258441: Polyimide based friction material and preparation process of the material
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon : Inorganic compound devoid of a silicon atom DNRM : Carbon atom DNRM : Calcium carbonate, e.g., limestone, marble, etc. : Sulfuric acid)

Patent 5258442: Polyphenylene sulfide resin composition
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon : Inorganic compound devoid of a silicon atom DNRM : Carbon atom DNRM : Calcium carbonate, e.g., limestone, marble, etc. : Sulfuric acid)

Patent 5258443: Curable aqueous composition comprising a high molecular weight silane functional polymer and a relatively low molecular weight silane
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : Containing two or more solid polymers; solid polymer or SICP and a SICP, SPFI, or an ethylenic reactant or product thereof : Producing an aqueous system by mixing two or more aqueous emulsions, suspensions, dispersions, or solutions, or any of the above in admixture with one another and wherein each individually contains a solid polymer or SICP : Material contains glass)

Patent 5258444: Aqueous coating composition for plastic substrates
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : Containing two or more solid polymers; solid polymer or SICP and a SICP, SPFI, or an ethylenic reactant or product thereof : Producing an aqueous system by mixing two or more aqueous emulsions, suspensions, dispersions, or solutions, or any of the above in admixture with one another and wherein each individually contains a solid polymer or SICP : Material contains glass)

Patent 5258445: Fiber-reinforced thermoplastic molding compositions using a copolyester
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : Containing two or more solid polymers; solid polymer or SICP and a SICP, SPFI, or an ethylenic reactant or product thereof : At least one solid polymer derived from ethylenic reactants only : With solid polymer derived from at least one -N=C=X (X is chalcogen) reactant wherein at least one of the reactants forming the solid polymer is saturated; or with SPFI or SICP derived from a -N=C=X reactant wherein at least one of the necessary reactants is saturated : At least one microcrystalline wax)

Patent 5258446: Resin composition
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : Containing two or more solid polymers; solid polymer or SICP and a SICP, SPFI, or an ethylenic reactant or product thereof : Solid polymer or SICP derived from at least one nitrogen-containing carboxylic acid or derivative reactant or from a carboxylic acid or derivative and a polyamine : Solid polymer derived from ethylenic monomers only admixed with ethylenic monomer)

Patent 5258447: Fluoroolefin based copolymer useful in electrodeposition paints
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : Polymer derived from ethylenic reactants only : From fluorine-containing monomer : Aldehyde or derivative reactant)

Patent 5258448: Absorbent polymers, manufacturing process and their use in particular for sanitary articles
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : Polymer derived from ethylenic reactants only : From carboxylic acid or ester thereof monomer : Cycloaliphatic, fused, or bridged monomer contains at least two unsaturated groups)

Patent 5258449: LLDPE films with improved optical properties
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : Polymer derived from ethylenic reactants only : From hydrocarbon monomer : From hydrocarbon containing four or more carbon atoms : Interpolymer with at least one aliphatic hydrocarbon monomer)

Patent 5258450: Polyarylene sulfide resin composition
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : From silicon-containing reactant : From hydrocarbon monomer)

Patent 5258451: Method for the preparation of an aqueous emulsion of organopolysiloxane
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Preparation of intentional or desired composition by formation of a solid polymer (SP) or SICP in presence of a designated nonreactant material (DNRM) other than solely water, hydrocarbon, silicon dioxide, glass, titanium dioxide or elemental carbon, composition thereof; or process of treating or composition thereof : Ether compound DNRM, e.g., aryl ether, dimethylether, etc. : Plural hetero oxygen)

Patent 5258452: Polyisocyanate mixtures, a process for their production and their use
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Preparation of intentional or desired composition by formation of solid polymer or SICP in the presence of water as a designated nonreactant material (DNRM), or products thereof : Solid polymer or SICP derived from -N=C=X (X is chalcogen) containing reactant : N-containing reactant)

Patent 5258453: Drug delivery system for the simultaneous delivery of drugs activatable by enzymes and light
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : Containing chemically combined protein or biologically active polypeptide : Polymer mixed with unsaturated aromatic compound)

Patent 5258454: Peptide synthesis method and solid support for use in the method
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : Containing chemically combined protein or biologically active polypeptide : Solid polymer treated by stepwise reaction with naturally occurring alpha or beta amino acid or a material which contains a residue of said amino acid, e.g., a functionally protected amino acid, etc. : Unsaturated reactant contains nitrogen heterocycle)

Patent 5258455: Polyphenylene ether-olefin polymer compositions with improved properties
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : Mixing of solid graft or graft-type copolymer with other solid polymer wherein one of said solid polymers is not derived from ethylenic reactants only; mixing of said polymer mixture with a chemical treating agent; or mixing of graft or graft-type copolymer with a SICP or SPFI; or processes of forming or reacting; or the resultant product of any of the above operations : Solid graft or graft-type copolymer derived from ethylenic reactants only : With solid polymer derived from at least one phenolic reactant wherein at least one of the reactants forming the solid polymer is saturated; or with SPFI wherein at least one of the necessary ingredients is a phenolic reactant or with a reaction product thereof; or with phenolic-containing SICP :)

Patent 5258456: Epoxy resin with phenolic OH-aramide/ban block copolymer
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : Mixing of solid block or block-type copolymer with other solid polymer; mixing of said polymer mixture with a chemical treating agent; mixing of a block or block-type copolymer with SICP or with SPFI; or processes of forming or reacting; or the resultant product of any of the above operations : Mixture contains solid block copolymer wherein at least one block is derived from ethylenic reactants only and at least one block is derived from at least one saturated reactant : Solid polymer other than graft or graft-type derived from nonaromatic plural ethylenically unsaturated reactant)

Patent 5258457: Method of chemically crosslinking unsaturated polymers
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : Mixing of solid block or block-type copolymer with other solid polymer; mixing of said polymer mixture with a chemical treating agent; mixing of a block or block-type copolymer with SICP or with SPFI; or processes of forming or reacting; or the resultant product of any of the above operations : Mixture contains solid polymer derived from at least one saturated reactant, SICP, or SPFI : Solid polymer derived from saturated aldehyde or aldehyde derivative material : Polymer substrate derived from hydrocarbon reactants only)

Patent 5258458: Composition for providing oil and water repellency
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : With saturated Si-C or Si-H reactant or polymer thereof; or with solid copolymer derived from at least one Si-C or Si-H reactant wherein at least one of the reactants forming the solid copolymer is saturated; or with SPFI wherein at least one of the necessary ingredients contains a Si-C or Si-H bond or with a reaction product thereof; or with a SICP containing a Si-H or Si-C bond : Solid polymer from ethylenic reactants only is derived from reactant containing halogen atom : Solid block or block-type copolymer derived from reactant containing plural unsaturation)

Patent 5258459: Resin composition for coating and electrodeposition coating composition containing the same
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : With saturated 1,2-epoxy reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom; or with solid copolymer derived from at least one saturated reactant and at least one unsaturated 1,2-epoxy reactant wherein the epoxy reactant contains more than one 1,2-epoxy group per mole : With phenolic reactant or polymer thereof and is free of 1,2-epoxy groups : Solid block or block-type copolymer derived from reactant containing plural unsaturation)

Patent 5258460: Polymeric reaction products
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : With saturated 1,2-epoxy reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom; or with solid copolymer derived from at least one saturated reactant and at least one unsaturated 1,2-epoxy reactant wherein the epoxy reactant contains more than one 1,2-epoxy group per mole : With nitrogen-containing reactant, or wherein the poly 1,2-epoxy reactant contains a nitrogen atom : Solid block or block-type copolymer derived from reactant containing plural unsaturation)

Patent 5258461: Electrocodeposition of polymer blends for photoreceptor substrates
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : With polycarboxylic acid or derivative and a polyol at least one of which is saturated, a condensate or solid polymer thereof; or with solid polymer derived from at least one polycarboxylic acid or derivative and at least one polyol wherein at least one the reactants forming the solid polymer is saturated : Contacting with an amine, a material containing a N-C(=X)- or N-S(=O)- (X is chalcogen) reactant and an aldehyde or aldehyde derivative at least one of which is saturated, their condensate or solid polymer thereof)

Patent 5258462: Miscible polyketone polymer blend
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : With additional solid polymer derived from at least one nonethylenic reactant : Solid polymer derived from ethylenically unsaturated hydrocarbon)

Patent 5258463: Blends for consumer waste bags
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : : Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof : Containing two or more solid polymers; solid polymer or SICP and a SICP, SPFI, or an ethylenic reactant or product thereof : At least one solid polymer derived from ethylenic reactants only : Two or more solid polymers derived from ethylenic reactants only : Solid polymer derived from acyclic hydrocarbon : Two or more polymers derived from reactant containing two or more ethylenic groups)

Patent 5258464: Impact copolymer compositions
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : Polymer derived from ethylenic reactants only mixed with ethylenic reactant : Contacting a solid polymer derived from ethylenic reactants only with an ethylenic reactant in the presence of a specified material : At least two polymers derived from reactants containing two or more ethylenic groups and devoid of an aryl ring)

Patent 5258465: Polymeric peroxide, polymerization initiator and method for production of block copolymer
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : Polymer derived from ethylenic reactants only mixed with ethylenic reactant : Contacting a solid polymer derived from ethylenic reactants only with an ethylenic reactant in the presence of a specified material : Specified material contains a peroxy group, i.e., -O-O- : Organic nitrogen compound contains an azo group, i.e., -N=N-)

Patent 5258466: Paper size
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : Polymer derived from ethylenic reactants only mixed with ethylenic reactant : Ethylenic reactant contains nitrogen heterocycle, e.g., pyridine, diazines, etc. : Imide : Contains an atom other than Group IA, C, or H)

Patent 5258467: Catalytic solution hydrogenation of nitrile rubber
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : Chemical treating agent contains elemental hydrogen or an elemental hydrogen-liberating compound, e.g., hydrogenation, etc. : Treating in the presence of an elemental metal or inorganic metallic compound : Halogenated polymer)

Patent 5258468: Permanently antistatic polyacrylate articles and process for making them
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : At least one solid polymer derived from ethylenic reactants only : Chemical treating agent is a nitrogen-containing compound : Organic amine : Amine contains a hydroxyl group : Metal oxide)

Patent 5258469: Preparation of 2-(pyridyl)ethyl bis-(trialkyl silyl)phosphonate derivatives substituted phosphorous compounds
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : Solid polymer derived from at least one carboxylic acid or derivative : Solid polymer derived from at least one lactam; from an amino carboxylic acid or derivative; or from a polycarboxylic acid or derivative : Solid polymer derived from an amino carboxylic acid or derivative; from a polyamine and a polycarboxylic acid or derivative; from at least one lactam; or from a polyamine salt of a polycarboxylic acid : Two amine groups)

Patent 5258470: Molding compounds based on aromatic polyamides
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : Solid polymer derived from at least one carboxylic acid or derivative : Solid polymer derived from at least one lactam; from an amino carboxylic acid or derivative; or from a polycarboxylic acid or derivative : Solid polymer derived from an amino carboxylic acid or derivative; from a polyamine and a polycarboxylic acid or derivative; from at least one lactam; or from a polyamine salt of a polycarboxylic acid : Mixed with polycarboxylic acid or derivative and polyhydroxy reactant or polymer therefrom : Solid polymer derived from imide reactant)

Patent 5258471: Curable composition comprising a crystallisable polymer
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : Solid polymer derived from at least one carboxylic acid or derivative : Solid polymer derived from at least one lactam; from an amino carboxylic acid or derivative; or from a polycarboxylic acid or derivative : Solid polymer derived from polyhydroxy reactant and polycarboxylic acid or derivative reactant; or derived from di- or higher ester of a polycarboxylic acid as sole reactant : Mixed with reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom : Contains phenolic reactant or polymer thereof)

Patent 5258472: Processable, high molecular weight polyaniline and fibers made therefrom
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS : Solid polymer derived from nitrogen-containing reactant : Solid polymer derived from alkali metal sulfide and halogenated aromatic reactant, e.g., polyarylene sulfide, etc.)

Patent 5258473: Preparation of finely divided, water-soluble polymers
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING : Adding material to an on-going polymerization reaction, said addition being other than the continuous addition of the initial charge : Polymerizable material derived from petroleum fraction)

Patent 5258474: Process for producing .alpha.-olefin polymer
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING : Polymerizing in the presence of a specified material other than monomer : Material contains transition metal or compound thereof : Material contains two or more different compounds of same transition metal : Contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond : At least one Group IVB metal atom (Ti, Zr, Hf) and at least one Group VB meta l (V, Nb, Ta))

Patent 5258475: Catalyst systems for polymerization and copolymerization of olefins
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING : Polymerizing in the presence of a specified material other than monomer : Material contains transition metal or compound thereof : Material contains silicon atom : Contains non-transition free metal, hydride thereof, or carbon to non-transition metal atom bond : Silicon present in inorganic oxygen-containing compound : Contains at least one additional specified material)

Patent 5258476: Process for producing ethylene-.alpha.-olefin copolymers
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING : Polymerizing in the presence of a specified material other than monomer : Material contains transition metal or compound thereof : Material contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond : Transition metal compound contains P, S, or N atom : Aluminum trihalide)

Patent 5258477: Monomers and polymers containing acetal and aldehyde groups
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING : From aldehyde monomer : Contains oxygen atom bonded to a carbon atom)

Patent 5258478: Low self-absorbing, intrinsically scintillating polymers
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING : From monomer containing oxygen as part of a heterocyclic ring : From cyclic ether which is bridged or fused to a ring system : Lactam monomer)

Patent 5258479: Self-adhesive acrylate copolymers, a process for their preparation and self-adhesive webs, which contain them
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING : From carboxylic acid monomer : Contains oxygen atom bonded to a carbon atom)

Patent 5258480: Syntheses of epoxysilicones
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM SILICON REACTANT HAVING AT LEAST ONE SILICON-TO-HYDROGEN OR -CARBON BOND : Polymerizing in the pressence of a specified material other than a reactant : Material is a metal-containing material : Material contains a Group VIII metal atom :)

Patent 5258481: Multifunctional water-dispersible crosslinking agents
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM SILICON REACTANT HAVING AT LEAST ONE SILICON-TO-HYDROGEN OR -CARBON BOND : With organic silicon-free reactant : Organic Si-free reactant is a nitrogen-containing compound : Reactant which is a fatty acid glycerol ester, a fatty acid or salt derived from a naturally occurring glyceride, tall oil, or a fatty acid derived from tall oil)

Patent 5258482: Polyisocyanates containing allophanate and isocyanurate groups, a process for their production from a mixture of diisocyanates and their
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM REACTANT HAVING AT LEAST ONE -N=C=X GROUP (WHEREIN X IS A CHALCOGEN ATOM) AS WELL AS PRECURSORS THEREOF, E.G., BLOCKED ISOCYANATE, ETC. : Process of polymerizing in the presence of a specified material other than reactant : Material contains only one -C-XH,-C-C(=X)-XH or carbon to -NH or HNH group : Reactant which is a fatty acid glycerol ester, a fatty acid or salt derived from a naturally occurring glyceride, tall oil, or a fatty acid derived from tall oil)

Patent 5258483: Polyarylate and process for preparing the same
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE : From 1,2-epoxy-containing phenolic reactant or with 1,2-epoxy-containing reactant : Reactant which contains at least two -C-C(=X)-X-C groups has been derived from only a dicarboxylic acid or derivative and only a dihydric alcohol or alcoholate derivative)

Patent 5258484: Process for the production of polycarbonate
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE : With reactant having halo-C(=O)-halo, halo-C(=O)-O-, or -O-C(=O)-O- group : Reactant is a nonphenolic compound having at least two hydroxyl groups or salts thereof)

Patent 5258485: Aromatic polyethers, fluorescent resin compositions containing same, and processes for preparing same
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE : Phenolic reactant contains at least one carboxylic acid group or is derivative thereof : Two or more phenolic reactants)

Patent 5258486: Synthesis of block liquid crystal copolymer
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE : Phenolic reactant contains at least one carboxylic acid group or is derivative thereof : Two or more phenolic reactants)

Patent 5258487: Polyamido-acid copolymer and its manufacture
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM CARBOXYLIC ACID OR DERIVATIVE THEREOF : With organic amine, or from organic amine salt of a carboxylic acid : From carboxylic acid having three or more carboxylic acid groups or derivatives thereof, and an organic amine, or from an organic amine salt of a tri-or higher carboxylic acid : Carboxylic acid contains at least four carboxylic acid groups or is a derivative of a carboxylic acid containing at least four carboxylic groups : All reactants contain at least one aryl ring)

Patent 5258488: Continuous process for manufacture of lactide polymers with controlled optical purity
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM CARBOXYLIC ACID OR DERIVATIVE THEREOF : From compound having -C-C(=O)-O-C- group as part of a heterocyclic ring, e.g., lactone, etc. : From carboxylic acid having three or more carboxylic acid groups or derivatives thereof, and an organic amine, or from an organic amine salt of a tri-or higher carboxylic acid)

Patent 5258489: Fluorinated poly(arylene sulfide)(arylene disulfide)
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM SULFUR-CONTAINING REACTANT : From inorganic sulfur-containing reactant : Elemental sulfur is reactant : With reactant containing only hydrogen and carbon atoms)

Patent 5258490: Non-irritating soft gas permeable contact lens and process for producing same
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : TREATING POLYMER CONTAINING MATERIAL OR TREATING A SOLID POLYMER OR A RESINIFIABLE INTERMEDIATE CONDENSATION PRODUCT : Contacting with alkali (Li, Na, K, Rb, Cs, Fr) or alkaline earth (Be, Mg, Ca, Sr, Ba) metal or compound thereof : Heterocyclic nitrogen-containing ring contains a single atom of nitrogen and two atoms of carbon as ring members)

Patent 5258491: Process for preparation of a polyetherketone
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : TREATING POLYMER CONTAINING MATERIAL OR TREATING A SOLID POLYMER OR A RESINIFIABLE INTERMEDIATE CONDENSATION PRODUCT : Contacting with organic material : Alcohol : Material contains a Group IIIA metal atom (Al, Ga, In, Tl))

Patent 5258492: LHRH analogues with cytotoxic moieties at the sixth position
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PEPTIDES OF 3 TO 100 AMINO ACID RESIDUES : Lutenizing hormone releasing factor (LRF); related peptides : Isolation or purification)

Patent 5258493: Cyclic peptides for treating herpes infections
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PEPTIDES OF 3 TO 100 AMINO ACID RESIDUES : Cyclic peptides : Isolation or purification)

Patent 5258494: Osteogenic proteins
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PEPTIDES OF 3 TO 100 AMINO ACID RESIDUES : 15 to 23 amino acid residues in defined sequence : Containing only normal peptide links in the ring, i.e., homodetic cyclic peptides)

Patent 5258495: Process for making vancomycin HC1
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PEPTIDES OF 3 TO 100 AMINO ACID RESIDUES : Separation or purification : By hydrolysis)

Patent 5258496: Isolation and purification of lung surfactant protein
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Chemical aftertreatment, e.g., acylation, methylation, etc.)

Patent 5258497: Process for purifying annexines
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Chemical aftertreatment, e.g., acylation, methylation, etc.)

Patent 5258498: Polypeptide linkers for production of biosynthetic proteins
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Chemical aftertreatment, e.g., acylation, methylation, etc.)

Patent 5258499: Liposome targeting using receptor specific ligands
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Lymphokines, e.g., interferons, interlukins, etc. : By hydrolysis)

Patent 5258501: Stabilization of glycoproteins
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Glycoprotein, e.g., mucins proteoglycans, etc. : Globulins)

Patent 5258502: Immobilization and purification of fusion proteins using chitin-binding ability
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Chemical aftertreatment, e.g., acylation, methylation, etc.)

Patent 5258503: Autoantibody adsorbent and apparatus for removing autoantibodies using the same
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Separation or purification : Selective absorbtion, e.g., Ca phosphate sorbents, etc. : Oxygen containing is saccharide)

Patent 5258504: Process for the purification of streptolysin O, intact streptolysin O obtainable by this process
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Separation or purification : Selective absorbtion, e.g., Ca phosphate sorbents, etc. : Chromatography or by septum selective as to material, e.g., gel filtration, molecular sieve dialysis, etc. : Antithrombin III)

Patent 5258505: Trisazo compounds, and dye compositions containing same
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Azo : Plural -HNH groups or -OH and -HNH bonded directly to a monocyclic benzene ring (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal) : Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding : Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal) : Exactly three azo groups attached indirectly to each other by nonionic bonding : Pyrazole containing (including hydrogenated))

Patent 5258506: Photolabile reagents for incorporation into oligonucleotide chains
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carbohydrates or derivatives : Nitrogen containing : N-glycosides, polymers thereof, metal derivatives (e.g., nucleic acids, oligonucleotides, etc.) : DNA or RNA fragments or modified forms thereof (e.g., genes, etc.) : Nitrogen in aglycone moiety)

Patent 5258507: Labeling reagents useful for the chemical attachment of nitrophenyl derivative ligands to DNA probes
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carbohydrates or derivatives : Nitrogen containing : N-glycosides, polymers thereof, metal derivatives (e.g., nucleic acids, oligonucleotides, etc.) : DNA or RNA fragments or modified forms thereof (e.g., genes, etc.) : Probes for detection of specific nucleotide sequences or primers for the synthesis of DNA or RNA : Fungal protein)

Patent 5258508: Process for the preparation of oligomeric polyisocyanates and their use
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS : Hetero ring is four-membered containing nitrogen and having chalcogen double bonded directly to a ring carbon which is adjacent to the ring nitrogen : Plural hetero atoms in the hetero ring : Metal containing)

Patent 5258509: Process for producing 2-carbon-substituted carbapenem derivatives
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS : Hetero ring is four-membered containing nitrogen and having chalcogen double bonded directly to a ring carbon which is adjacent to the ring nitrogen : Polycyclo ring system containing the hetero ring as one of the cyclos : The ring nitrogen is shared by a five-membered ring : The six-membered ring contains oxygen)

Patent 5258511: Pyrazoloazepinones and methods of using such pyrazoloazepinones to dye synthetic fibers and to pigment pastes, paints, printing inks, colored
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS : The hetero ring contains seven members including nitrogen and carbon : Chalcogen double bonded directly to a ring carbon adjacent to the ring nitrogen (e.g., caprolactam, etc.) : Polycyclo ring system which contains the hetero ring as one of the cyclos : Plural hetero atoms in the polycyclo ring system : The bicyclo ring system is 1,5-benzodiazepine (including hydrogenated))

Patent 5258512: Immunoassay for opiate alkaloids and their metabolites; tracers, immunogens and antibodies
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Polycyclo ring system having the six-membered hetero ring as one of the cyclos : Pentacyclo ring system having the six-membered hetero ring as one of the cyclos : Two of the cyclos share at least three ring members (i.e., bridged) : One of the five cyclos is five-membered and includes ring chalcogen (e.g., codeine, morphine, etc.) :)

Patent 5258513: Substituted cyclopropylamino-1,3,5-triazines
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.) : Six-membered hetero ring consists of sulfur, nitrogen, and carbon : 1,4-thiazines : Double bonded divalent chalcogen containing : Divalent chalcogen double bonded directly to the thiazine ring : 1,4-benzothiazines)

Patent 5258514: Urethane-functional s-triazine crosslinking agents
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.) : Triazines : Substituent nitrogen bonded directly to carbon of the triazine ring : Three substituent nitrogens bonded directly to the three carbons of the triazine ring : Additional ring containing : Hetero ring : The carbonyl is bonded directly to nitrogen of morpholine ring)

Patent 5258515: Aqueous solutions of sodium salts of trimercapto-s-triazine, their preparation and use
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.) : Triazines : Chalcogen or halogen containing substituent : Bonded to triazine ring carbon : Chalcogen bonded directly to triazine ring carbon : Chalcogen bonded directly to triazine ring carbon)

Patent 5258516: Optically pure D,E ring intermediates useful for the synthesis of camptothecin and camptothecin analogs
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Polycyclo ring system having the six-membered hetero ring as one of the cyclos : Bicyclo ring system having the six-membered hetero ring as one of the cyclos : Plural ring hetero atoms in the bicyclo ring system : Ring oxygen in the bicyclo ring system : Acyclic chalcogen bonded directly to ring carbon of the bicyclo ring system : Plural nitrogens, other than as nitro or nitroso, attached directly to the carbocyclic rings of the acridine ring system (e.g., 3,6-diaminoacridines, etc.))

Patent 5258517: Method of preparing optically pure precursors of paroxetine
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Piperidines : Additional ring containing : Chalcogen attached indirectly to the piperidine ring by nonionic bonding : The chalcogen is in an -OH or -OM group (M is Group IA or Group IIA light metal) : The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens)

Patent 5258518: 2-substituted tertiary carbinol derivatives of deoxynojirimycin
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Piperidines : Chalcogen bonded directly to ring carbon of the piperidine ring : Chalcogen attached indirectly to the piperidine ring by nonionic bonding)

Patent 5258519: Dihydropyridine vasodilators agents
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Plural pyridine or partially hydrogenated pyridine rings : Chalcogen bonded directly to ring carbon of pyridine or partially hydrogenated pyridine ring : Metal containing catalyst utilized)

Patent 5258520: Process for preparing substituted 2-cyanopyridines
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Cyano bonded directly to the six-membered hetero ring : Ring oxygen in the additional hetero ring)

Patent 5258521: Process of producing optically active propionic acid ester derivatives
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Chalcogen bonded directly to ring carbon of the six-membered hetero ring : Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding : Halogen attached directly or indirectly to the six-membered hetero ring by nonionic bonding : Nitrogen or -C(=X)-, wherein X is chalcogen, attached directly to the additional hetero ring by nonionic bonding)

Patent 5258522: Imidazole-silane compounds and metal surface finishing agent containing the same
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.) : Boron or silicon containing : Azide or acyclic nitrogen containing)

Patent 5258523: Process for the production of 2-aryl-2H-1,2,3-triazoles
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.) : 1,2,3-triazoles (including hydrogenated) : Nitrogen attached indirectly to the tetrazole ring by nonionic bonding)

Patent 5258524: Bis-bibenzimidazole composition
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.) : 1,3-diazoles (including hydrogenated) : Two double bonds between ring members of the diazole ring (i.e., imidazole) : The -C(=X)- is part of a -C(=X)X- group, wherein the X`s are the same or diverse chalcogens (e.g., imidazole- 4,5-dicarboxylic acid, etc.))

Patent 5258525: Processes for preparing [2S-(2.alpha.,3a.beta.,7a.beta.)]octahydro-1H-indole-2-carboxylic acid
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) : Polycyclo ring system having the five-membered hetero ring as one of the cyclos : Bicyclo ring system having the five-membered hetero ring as one of the cyclos (e.g., octahydroindoles, etc.) : Chalcogen bonded directly to ring carbon of the five-membered hetero ring (e.g., indigoid dyes, etc.))

Patent 5258526: Process for the preparation of 3-substituted 4-cyano-pyrrole compounds
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) : Additional hetero ring, which is attached directly or indirectly to the five-membered hetero ring by nonionic bonding : Polycyclo ring system which includes ring chalcogen : Plural ring chalcogens in the polycyclo ring sytem (e.g., methylenedioxyphenyl containing, etc.) : The atom is carbon or the chain consists of carbons)

Patent 5258527: Insecticidal, acaricidal and herbicidal 1-H-3-aryl-pyrrolidine-2,4-dione derivatives
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) : Chalcogen attached directly to the five-membered hetero ring by nonionic bonding (e.g., 3-pyrrolidinols, etc.) : Chalcogen bonded directly to a ring carbon of the five-membered hetero ring which is adjacent to the ring nitrogen (e.g., 2-pyrrolidones, etc.) : The -C(=X)- is bonded directly to the ring nitrogen of the five-membered hetero ring (e.g., 1-pyrrolidine carboxanilides, etc.))

Patent 5258528: Individual stereoisomers of pyrrolidine methanamines substituted on the ring nitrogen by a 1-phenylethyl group
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) : Nitrogen attached indirectly to the five-membered hetero ring by acyclic nonionic bonding : The five-membered hetero ring is unsubstituted or alkyl substituted only (e.g., pyrrole, etc.))

Patent 5258529: Process for producing propargylcarbinol compounds
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Sulfur containing hetero ring (e.g., thiiranes, etc.) : The hetero ring is five-membered : Chalcogen attached indirectly to the hetero ring by nonionic bonding : Chalcogen attached indirectly to the hetero ring by nonionic bonding)

Patent 5258530: Process for producing biphenyltetracarboxylic dianhydride
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : Cyclic anhydrides (i.e., -C(=X)OC(=X)-, wherein the X's are the same or diverse chalcogens, is part of the hetero ring) : The cyclic anhydride is five-membered (e.g., succinic anhydride, etc.) : Polycyclo ring system having the cyclic anhydride as one of the cyclos : Bicyclo ring system having the cyclic anhydride as one of the cyclos : Plural bicyclo ring systems each having the cyclic anhydride as one of the cyclos : Halogen bonded directly to the tricyclo ring system)

Patent 5258531: Process for the direct synthesis of organotin compounds and their use
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) : Germanium, tin, or lead containing (Ge, Sn, or Pb) : Carbon bonded directly to the metal : Exactly three carbons bonded directly to the metal)

Patent 5258532: Compound, preparation and use
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) : Zinc, cadmium, or mercury containing (Zn, Cd, or Hg) : Chalcogen bonded directly to the metal : The chalcogen is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens : Carbocyclic ring bonded directly to the carbon of the -C(=X)X- group : Hydrogen or -C(=X)-, wherein X is chalcogen, bonded directly to the chalcogen (e.g., H-X-Metal-Ring-H, -C(=X)X-Metal-Ring-H, phenyl mercury hydroxides, phenyl mercury acetates, etc.))

Patent 5258533: Bis(diallylamino) silanes
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Nitrogen attached directly to silicon by nonionic bonding : Plural silicons in the ring)

Patent 5258534: Preparation of trialkylsilyl nitrile
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Nitrogen attached indirectly to silicon by nonionic bonding : The nitrogen is in a cyano group (i.e., -CN) : And utilizing a material which contains a metal other than aluminum)

Patent 5258535: Method for the chlorination of a silicon compound
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Plural silicons bonded directly to each other : The sulfur is part of a -SH or -SC(=X)- group, wherein X is chalcogen (H of -SH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal))

Patent 5258536: (2-methyl-3-chloropropyl)-cyclohexyl-dialkoxysilanes
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Two carbons bonded directly to the same oxygen : Additional oxygen bonded directly to the silicon and to a group containing the oxygen and two carbons : Silicon is bonded directly to the oxy of the -COO- group)

Patent 5258537: Method for preparing organomonochlorosilane
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Carbon attached directly or indirectly to the silicon by nonionic bonding (e.g., silanes, etc.) : Processes : Plural silicons in a reactant : Two silicons bonded directly to the same oxygen)

Patent 5258538: 2,3-disubstituted-1,3,2-oxazaphosphacycloalkanes as nucleic acid linking agents
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Phosphorus esters (i.e., compounds having the phosphorus ester group, wherein trivalent or pentavalent phosphorus and carbon are bonded directly to the same divalent chalcogen, and wherein the carbon may be single bonded to any atom but may be multiple bonded only to carbon) : The phosphorus is in a ring : And nitrogen in the ring : And chalcogen or carbon in the ring : Acyclic divalent chalcogen single bonded directly to the ring phosphorus (e.g., cyclic phosphites, etc.))

Patent 5258539: Process for recovering a trialkyl phosphate ester from a trialkyl and aryl phosphate ester-based functional fluid
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Phosphorus esters (i.e., compounds having the phosphorus ester group, wherein trivalent or pentavalent phosphorus and carbon are bonded directly to the same divalent chalcogen, and wherein the carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Processes : Purification or recovery : Metal containing material utilized or separated : The reactant contains carbon to carbon unsaturation)

Patent 5258540: Cyclohexyl substituted hydroxybenyzlphosphonates
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Phosphorus esters (i.e., compounds having the phosphorus ester group, wherein trivalent or pentavalent phosphorus and carbon are bonded directly to the same divalent chalcogen, and wherein the carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Chalcogen attached indirectly to the phosphorus by nonionic bonding : Nitro bonded directly to a benzene ring)

Patent 5258541: Process for producing carbonic acid ester
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carbonate esters (i.e, compounds having the -O-C(=O)O- group bonded directly to at least one carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) : The -C(=X)X- is -C(=O)S-)

Patent 5258542: Carbonates of acetylenic alcohols
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carbonate esters (i.e, compounds having the -O-C(=O)O- group bonded directly to at least one carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Plural -O-C(=O)O- groups attached indirectly to each other by nonionic bonding : Carbonyl bonded directly to the oxygen (i.e., compounds having the -O-C(=O) O-O-C(=O)- group; e.g., peroxydicarbonates, acyl peroxycarbonates, etc.))

Patent 5258543: Method for ammoxidation of olefins
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Nitriles (i.e., compounds having cyano bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) : Processes for forming the cyano group : Ammonia utilized : And molecular oxygen or a molecular oxygen containing gas : Acting on a compound containing acyclic or alicyclic carbon to carbon unsaturation : Antimony containing material utilized : Bismuth containing material utilized)

Patent 5258544: Synthesis of aldehydes useful in the preparations of HMG-CoA reductase inhibitors
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Aromatic acid moiety : Monocyclic acid moiety : Ring in alcohol moiety : Plural rings in alcohol moiety : Metal containing catalyst utilized)

Patent 5258545: Amino acid derivative, method for preparing the same and method for preparing human osteocalcin using the same
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) : Carbamic acid : Cyclic alcohol moiety : Ortho fused)

Patent 5258546: Carbonylation catalyst system
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Unsaturation in acid moiety : Preparing esters by carbonylation : Group VIII noble metal catalyst utilized : Aromatic alcohol moiety)

Patent 5258547: Process for preparing halogenated compounds
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Halogen in acid moiety : Unsaturation in alcohol moiety)

Patent 5258548: Method for preventing coloration of aromatic isocyanate compounds
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Isocyanate esters (i.e., compounds containing the isocyanate group, -N=C=O, bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) : With preservative or stabilizer : Phosphorus, silicon, or phenolic hydroxy containing preservative or stabilizer : Acyclic monohydric alcohol moiety)

Patent 5258549: Process for preparing carboxylic acids
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Acyclic : Preparation by degradation of carbohydrates : Nitrogen containing acid produced)

Patent 5258550: Process for preparing glycine
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Acyclic : Nitrogen bonded to carbon of organic radical (e.g., amino acids, etc.) : Alpha nitrogen : Glutamic acid per se or salt thereof)

Patent 5258551: Process for producing .alpha.-ketoamide derivative
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Carboxamides (i.e., Q-CO-HNH, wherein Q is a substituent having carbon bonded directly to the carbonyl or is hydrogen and wherein any substituent replacing one or both hydrogens shown will be referred to as E) : Preparing directly from cyano containing compound : Acid hydrolysis only of nitrile : Of acrylonitriles)

Patent 5258552: N-alkylamides of d(+)-carnitine having antibacterial activity, process for their preparation and pharmaceutical and cosmetic compositions
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Carboxamides (i.e., Q-CO-HNH, wherein Q is a substituent having carbon bonded directly to the carbonyl or is hydrogen and wherein any substituent replacing one or both hydrogens shown will be referred to as E) : Substituent Q is acyclic : Nitrogen in substituent Q : The compound is acyclic : A ring or polycyclo ring system in a substituent E is attached indirectly to the carboxamide nitrogen or to an amino nitrogen in substituent E by acyclic nonionic bonding)

Patent 5258553: Chiral tridentate bis(phospholane) ligands
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : PHOSPHORUS CONTAINING : Ring phosphorus containing : Sulfur or oxygen containing)

Patent 5258554: Process for monobenzylation of p-substituted phenols
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Benzene ring containing : Phenols (H of -OH may be replaced by a Group IA or IIA light metal) : Additional ring containing : The additional ring is six-membered : The additional ring is benzene : Halogen containing : Purification or recovery)

Patent 5258555: Synthesis of cycloalkanols
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Six-membered alicyclic ring containing : Hydroxy bonded directly to the ring (e.g., terpin hydrate, etc.) (H of -OH may be replaced by a Group IA or IIA light metal) : Cyclohexanol per se : The hydroxy is attached indirectly to the ring)

Patent 5258556: Process for the manufacture of 2,2,4,4-tetramethylcyclobutanediol
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Four-membered alicyclic ring containing : Hydroxy bonded directly to the ring (e.g., terpin hydrate, etc.) (H of -OH may be replaced by a Group IA or IIA light metal))

Patent 5258557: Process for the preparation of chelatant organic acids
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Acyclic : Preparation by degradation of carbohydrates : Nitrogen containing acid produced)

Patent 5258558: Direct conversion of butyraldehyde to 2-ethylhexanol-1
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) : Acyclic : Preparing from carbonyl containing compound : From aldehyde or ketone : By reduction (e.g., by hydrogenation, etc.) : Catalyst utilized : Heavy metal or aluminum containing catalyst)

Patent 5258559: Process for the preparation of [1R-(1.beta.(R*), 3a.alpha., 4.beta., 7a.beta.)]
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ketones : Processes of preparing, purifying, or recovering alicyclic ring containing ketones : Aldehyde or ketone reactant : Purification or recovery)

Patent 5258560: Etherification of C.sub.5 -plus olefins by catalytic distillation
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Acyclic : Preparing by reacting an olefin and an organic hydroxy containing compound (H of -OH may be replaced by a Group IA or IIA light metal) : Sulfuric acid utilized)

Patent 5258561: Catalytic chlorofluorination process for producing CF.sub.3 CHClF and CF.sub.3 CHF.sub.2
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Fluorine containing : By reacting with hydrogen fluoride : Catalyst utilized : Metal oxide containing catalyst : Transition metal halide containing catalyst)

Patent 5258562: Method for treating asbestos
(HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT : PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE IN THE SUBSTANCES (EPO/ JPO) : By reacting with chemical agents (EPO/JPO) : By hydrolysis (EPO/JPO) : Microwave radiations (about 0.3cm-30cm) (EPO/JPO))

Patent 5258563: Process for the production of benzene from light hydrocarbons
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PLURAL SERIAL DIVERSE SYNTHESES : To produce aromatic : Including an aromatization step : Co, Fe, or Ni)

Patent 5258564: Process for producing aromatic compounds from C2-C6 aliphatic hydrocarbons using a hydrogen tolerant catalyst
(CHEMISTRY OF HYDROCARBON COMPOUNDS : AROMATIC COMPOUND SYNTHESIS : By ring formation from nonring moiety, e.g., aromatization, etc. : Product compound has more C atoms than feed compound, e.g., cyclic polymerization, etc. : Using metal-containing catalyst)

Patent 5258565: Process for preparing short chain alkylaromatic compounds
(CHEMISTRY OF HYDROCARBON COMPOUNDS : AROMATIC COMPOUND SYNTHESIS : By condensation of entire molecules or entire hydrocarbyl moieties thereof, e.g., alkylation, etc. : Using metal, metal oxide, or hydroxide catalyst : B trifluoride in a complex or with additional nonhydrocarbon agent)

Patent 5258566: Process for preparing long chain alkylaromatic compounds
(CHEMISTRY OF HYDROCARBON COMPOUNDS : AROMATIC COMPOUND SYNTHESIS : By condensation of entire molecules or entire hydrocarbyl moieties thereof, e.g., alkylation, etc. : Using metal, metal oxide, or hydroxide catalyst : B trifluoride in a complex or with additional nonhydrocarbon agent)

Patent 5258567: Dehydrogenation of hydrocarbons
(CHEMISTRY OF HYDROCARBON COMPOUNDS : UNSATURATED COMPOUND SYNTHESIS : By dehydrogenation : Using catalyst)

Patent 5258568: Single path alkylation method employing reduced acid inventory
(CHEMISTRY OF HYDROCARBON COMPOUNDS : SATURATED COMPOUND SYNTHESIS : By condensation of a paraffin molecule with an olefin-acting molecule, e.g., alkylation, etc. : With catalyst rehabilitation by reversion from different compound or HF complex : Cr, Mo, or W)

Patent 5258569: Isoparaffin-olefin alkylation process with zeolite MCM-36
(CHEMISTRY OF HYDROCARBON COMPOUNDS : SATURATED COMPOUND SYNTHESIS : By condensation of a paraffin molecule with an olefin-acting molecule, e.g., alkylation, etc. : Using extraneous nonhydrocarbon agent : Aluminosilicate or organometallic : With other transition metal)

Patent 5258570: Activated zeolite beta and its use for hydrocarbon conversion
(CHEMISTRY OF HYDROCARBON COMPOUNDS : SATURATED COMPOUND SYNTHESIS : By isomerization : Using aluminosilicate catalyst : O-containing)

Patent 5258571: Separations using highly dispersed cuprous compositions
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PURIFICATION, SEPARATION, OR RECOVERY : By contact with solid sorbent : With specified sorbent rehabilitation procedure or agent, e.g., desorbent, etc. : Unsaturated sorbate : Aromatic separated from other aromatic)

Patent 5258572: Distributing box for underground cables
(ELECTRICITY: CONDUCTORS AND INSULATORS : UNDERGROUND : Distributing and/or combined with overhead : Radio tube shields)

Patent 5258573: Superconductor magnetic shield
(SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS : HIGH TEMPERATURE (TC GREATER THAN 30 K) DEVICES, SYSTEMS, APPARATUS, COM- PONENTS, OR STOCK, OR PROCESSES OF USING : Electrical energy storage device (e.g., accumulator, etc.), inductor, transformer, magnetic switch, magnetic ring, sphere, coil, or magnetic arrangement : Superconducting transistor (e.g., Josephson transistor, etc.))

Patent 5258574: Tone generator for storing and mixing basic and differential wave data
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Digital combinational circuit : Tone synthesis or timbre control : Filtering : Rhythm)

Patent 5258575: Ceramic glass integrated circuit package with integral ground and power planes
(ELECTRICITY: CONDUCTORS AND INSULATORS : BOXES AND HOUSINGS : With electric device or mounting means therefor : Sealed : Flat housing for electronic device (e.g., flat pack, dual-in-line package) : Gas filled)

Patent 5258576: Integrated circuit chip carrier lid
(ELECTRICITY: CONDUCTORS AND INSULATORS : BOXES AND HOUSINGS : With electric device or mounting means therefor : Sealed : Flat housing for electronic device (e.g., flat pack, dual-in-line package) : Gas filled)

Patent 5258577: Die mounting with uniaxial conductive adhesive
(ELECTRICITY: CONDUCTORS AND INSULATORS : CONDUITS, CABLES OR CONDUCTORS : Combined : With joints : Plural conductor and/or duct : Spark plugs)

Patent 5258578: Closure end seal
(ELECTRICITY: CONDUCTORS AND INSULATORS : CONDUITS, CABLES OR CONDUCTORS : Combined : With joints : Sleeve and end cap-type casing : Longitudinally)

Patent 5258579: Weighing method and weighing apparatus
(WEIGHING SCALES : COMPUTER : Electrical : Digital : Multiplying or dividing scales :)

Patent 5258580: Combination weigher with stagger discharge
(WEIGHING SCALES : COMPUTER : Electrical : Digital : Combinatorial scales : Counting)

Patent 5258581: Product feeding mechanism for a combination machine
(WEIGHING SCALES : COMPUTER : Electrical : Digital : Combinatorial scales : Counting)

Patent 5258582: Apparatus and method for weighing aircraft
(WEIGHING SCALES : STRUCTURAL INSTALLATION : Vehicle : Hydraulic weigher : With indicator disconnect means)

Patent 5258583: Multiple stage torsion-bar weighing apparatus
(WEIGHING SCALES : LOAD HOLDER : Pivotally interconnected transmission levers : Separate lever loaded by load-holder levers : With additional serially connected lever : Access opening in cylindrical wall)

Patent 5258584: Multiple auxiliary compound driver loudspeaker system
(ACOUSTICS : PLURAL DIAPHRAGM SOUND SOURCES : Three diaphragms : Receiver)

Patent 5258585: Insulating laminate
(ACOUSTICS : SOUND-MODIFYING MEANS : Sound absorbing panels : Specific acoustical properties or dimensions : Casings)

Patent 5258586: Elevator control system with image pickups in hall waiting areas and elevator cars
(ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE : WITH MONITORING, SIGNALLING, AND INDICATING MEANS : Monitors passengers : Assigns calls to load supports on predetermined basis)

Patent 5258587: Estimating elevator passengers from gender ratioed weight
(ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE : WITH MONITORING, SIGNALLING, AND INDICATING MEANS : Monitors passengers : Assigns calls to load supports on predetermined basis)

Patent 5258588: Puffer type switch high current electrical switch contact assembly
(HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES : ARC PREVENTING OR EXTINGUISHING DEVICES : Air-current blowout : Puffer piston : Valve (e.g., blast valve or pressure relief valve) : With throat region)

Patent 5258589: High- and medium-voltage circuit breaker with lower operating energy
(HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES : ARC PREVENTING OR EXTINGUISHING DEVICES : Air-current blowout : Puffer piston : With gas blast means : Compressing cylinder structure : With nozzle :)

Patent 5258590: Medium- or high-tension circuit breaker having abutting arcing contacts
(HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES : ARC PREVENTING OR EXTINGUISHING DEVICES : Air-current blowout : Puffer piston : With nozzle : Compressing cylinder structure)

Patent 5258591: Low inductance cantilever switch
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : ELECTROSTRICTIVE OR ELECTROSTATIC : Reversing)

Patent 5258592: Waterproof switch apparatus for electronic device
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : ELECTRIC SWITCH DETAILS : Cases and bases : Dust, dirt, or moisture excluding : Seal for push button actuator : With rocker actuator)

Patent 5258593: Illuminated see-saw switch device
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : ELECTRIC SWITCH DETAILS : Indicators : Illuminated : Light visible through actuator : Rocker or toggle : Means for adjusting contact pressure)

Patent 5258594: High frequency heating process for impregnating or polymerization of transformer windings
(ELECTRIC HEATING : INDUCTIVE HEATING : Specific heating application : Susceptor)

Patent 5258595: Power source circuit for microwave oven
(ELECTRIC HEATING : MICROWAVE HEATING : With control system : Interlock circuitry and structure : With latch assembly : Probe)

Patent 5258596: Microwave absorber designs for metal foils and containers
(ELECTRIC HEATING : MICROWAVE HEATING : Cookware (e.g., vessel, utensil, etc.) : With field modifier : With latch assembly)

Patent 5258597: Method of stabilizing spot-welding
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : Wire, rod, or bar bonding : Of wire leads : Multiple stations)

Patent 5258598: Station for assembling pressed sheet-metal structures with welding robots also usable periodically for checking the fixtures used in the
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : For bonding with pressure (e.g., resistance welding) : By spot bonding : With significant electrode support : Having adjustment means : With condition responsive control means :)

Patent 5258599: Convertible arc welding system
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using plasma : Plasma torch structure : Methods)

Patent 5258600: Process for welding thermally and/or mechanically treated metal conduits
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Welding : Process : Electric motor driven)

Patent 5258601: Capillary rheometer with temperature controller for maintaining uniform temperature distribution of sample
(ELECTRIC HEATING : HEATING DEVICES : With power supply and voltage or current regulation or current control means : Controlling or regulating plural separate distinct heating resistance elements(i.e., one control system for all elements) : Selectively, sequentially or alternately : Support for the heating element)

Patent 5258602: Technique for precision temperature measurements of a semiconductor layer or wafer, based on its optical properties at selected wavelengths
(ELECTRIC HEATING : HEATING DEVICES : With power supply and voltage or current regulation or current control means : Automatic regulating or control means : Comprising voltage and/or current measuring and comparing or combining means : Thermomagnetic)

Patent 5258603: Magnetic reading head having a tapered reading opening and/or a tapered reading stylus
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Magnetic : Raised or depressed portions on record)

Patent 5258604: Bar code scanner
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Programming or computer interface feature : Including an imager (e.g., CCD or camera-type reader))

Patent 5258605: Scan generators for bar code reader using linear array of lasers
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Specific scanning detail (e.g., scanner with a specific scanning field of view) : Including object detection)

Patent 5258606: Instant portable bar code reader
(REGISTERS : CODED RECORD SENSORS : Particular sensor structure : Optical : Bar code : Specified housing or mounting detail : Hand-held (e.g., portable) : Using a moving mirror)

Patent 5258607: Active anti-dazzle device for the drivers of cars and other motor vehicles having an electro-sensitive screen
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : With indicating or recording means)

Patent 5258608: Solid-state imaging device with anti-reflective layers of amorphous silicon and insulating silicon
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Plural photosensitive image detecting element arrays : With comparison)

Patent 5258609: Wide field of view optical element having plural reflectors of different widths
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Special photocell or electron tube circuits)

Patent 5258610: Method and apparatus for sensing the presence of a sheet by sheet causing attenuation of radiation
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Controlled by article, person, or animal : Inanimate article : Tape, drum, or disc types)

Patent 5258611: Light emission or absorption device for the contactless inspection of articles having a plurality of light sources and an elongate light guide
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Controlled by article, person, or animal : Inanimate article : Conveyor or chute : Bottles :)

Patent 5258612: Timed-resolved spectroscopy with split pump and probe pulses
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Color (e.g., filter or spectroscope) : Inanimate article)

Patent 5258613: Apparatus for mounting optical fiber in ferrule
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : Electronic switch)

Patent 5258614: Optical fiber loop temperature sensor
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : Condition responsive light guide (e.g., light guide is physically affected by parameter sensed which results in light conveyed to the photocell) : With detection of fiber microbend caused by parameter affecting fiber : Vacuum tube type)

Patent 5258615: Optical fiber monitoring by detection of polarization variations
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : Condition responsive light guide (e.g., light guide is physically affected by parameter sensed which results in light conveyed to the photocell) : Causing polarization change in fiber : Vacuum tube type)

Patent 5258616: Optical distribution system incorporating an improved absorbance-based optical fiber sensor
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Optical or pre-photocell system : Light conductor : With light chopping or modulation : With coherent interferrometric light)

Patent 5258617: Method and apparatus for correcting axial coma in electron microscopy
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Electron microscope type : Magnetic field path-bending means)

Patent 5258618: Infrared imager forming two narrow waveband images of the same object field
(RADIANT ENERGY : INFRARED-TO-VISIBLE IMAGING : Including detector array : With conveyance)

Patent 5258619: Pulsed bias radiation detector
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With conveyance)

Patent 5258620: Method and apparatus for determining the constituents of dairy products
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With selection of plural discrete wavelengths or bands : With radiation source : Using sample absorption for chemical composition analysis : Including Fourier transform infrared spectrometry)

Patent 5258621: Cold shield for a scanned linear IR detector array
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With temperature modifying means : With periodic beam varying means)

Patent 5258622: Apparatus and method for measuring physical characteristics of materials
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Neutron responsive means : Composition analysis : For moisture content : With a collimator)

Patent 5258623: Positioning apparatus for optical element mounting operation having a positioning light receiving element formed on an optical element
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : With circuit for evaluating a web, strand, strip, or sheet : Measuring position : With alignment detection : With translucent material)

Patent 5258624: Transferred electron effect device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : THIN ACTIVE PHYSICAL LAYER WHICH IS (1) AN ACTIVE POTENTIAL WELL LAYER THIN ENOUGH TO ESTABLISH DISCRETE QUANTUM ENERGY LEVELS OR (2) AN ACTIVE BARRIER LAYER THIN ENOUGH TO PERMIT QUANTUM MECHANICAL TUNNELING OR (3) AN ACTIVE LAYER THIN ENOUGH TO PERMIT CARRIER TRANSMISSION WITH SUBSTANTIALLY NO SCATTERING (E.G., SUPERLATTICE QUANTUM WELL, OR BALLISTIC TRANSPORT DEVICE) : Low workfunction layer for electron emission (e.g., photocathode electron emissive layer) : Combined with a heterojunction involving a III-V compound :)

Patent 5258625: Interband single-electron tunnel transistor and integrated circuit
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : THIN ACTIVE PHYSICAL LAYER WHICH IS (1) AN ACTIVE POTENTIAL WELL LAYER THIN ENOUGH TO ESTABLISH DISCRETE QUANTUM ENERGY LEVELS OR (2) AN ACTIVE BARRIER LAYER THIN ENOUGH TO PERMIT QUANTUM MECHANICAL TUNNELING OR (3) AN ACTIVE LAYER THIN ENOUGH TO PERMIT CARRIER TRANSMISSION WITH SUBSTANTIALLY NO SCATTERING (E.G., SUPERLATTICE QUANTUM WELL, OR BALLISTIC TRANSPORT DEVICE) : Heterojunction : Quantum well :)

Patent 5258626: Superconducting optically reconfigurable electrical device
(SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS : HIGH TEMPERATURE (TC GREATER THAN 30 K) DEVICES, SYSTEMS, APPARATUS, COM- PONENTS, OR STOCK, OR PROCESSES OF USING : Photoconductive, light transmissive, light emissive, or light responsive device or component : Recording by magnetism, magnetic record carriers, or recording head arrangements)

Patent 5258627: Semiconductor structure using protein as its active element
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : ORGANIC SEMICONDUCTOR MATERIAL : Tunneling through region of reduced conductivity)

Patent 5258628: Linearizing emitted light intensity from a light-emitting device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : II-VI compound)

Patent 5258629: Light-emitting diode print head with staggered electrodes
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : Plural light emitting devices (e.g., matrix, 7-segment array) : With means to facilitate electron-hole recombination (e.g., isoelectronic traps such as nitrogen in GaP))

Patent 5258630: Light-emitting diode with non-reflective diffusion region periphery
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INCOHERENT LIGHT EMITTER STRUCTURE : With reflector, opaque mask, or optical element (e.g., lens, optical fiber, index of refraction matching layer, luminescent material layer, filter) integral with device or device enclosure or package : Plural heterojunctions in same device)

Patent 5258631: Semiconductor device having a two-dimensional electron gas as an active layer
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Field effect transistor : Having narrow energy band gap (<<1eV) layer (e.g., PbSnTe, HgCdTe, etc.))

Patent 5258632: Velocity modulation transistor
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HETEROJUNCTION DEVICE : Field effect transistor : Doping on side of heterojunction with lower carrier affinity (e.g., high electron mobility transistor (HEMT)) : Layer is a group III-V semiconductor compound)

Patent 5258633: Semiconductor device having an IGFET with diffused gate connection
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : Combined with insulated gate field effect transistor (IGFET) : In imaging array)

Patent 5258634: Electrically erasable read only memory cell array having elongated control gate in a trench
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Variable threshold (e.g., floating gate memory device) : With floating gate electrode : With additional contacted control electrode : With capacitor electrodes connection portion located centrally thereof (e.g., fin electrodes with central post))

Patent 5258635: MOS-type semiconductor integrated circuit device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Short channel insulated gate field effect transistor : Gate controls vertical charge flow portion of channel (e.g., VMOS device) : With additional, non-memory control electrode or channel portion (e.g., accessing field effect transistor structure))

Patent 5258636: Narrow radius tips for high voltage semiconductor devices with interdigitated source and drain electrodes
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Short channel insulated gate field effect transistor : Active channel region has a graded dopant concentration decreasing with distance from source region (e.g., double diffused device, DMOS transistor) : With means to increase breakdown voltage : With complementary field effect transistor)

Patent 5258637: Semiconductor devices produced according to a method which reduces contact resistance at silicide/active area interfaces
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : With contact to source or drain region of refractory material (e.g., polysilicon, tungsten, or silicide) : Including silicide : With barrier region of reduced minority carrier lifetime (e.g., heavily doped P+ region to reduce electron minority carrier lifetime, or containing deep level impurity or crystal damage), or with region of high threshold voltage (e.g., heavily doped channel stop region))

Patent 5258638: Thermal ink jet power MOS device design/layout
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : With specified physical layout (e.g., ring gate, source/drain regions shared between plural FETs, plural sections connected in parallel to form power MOSFET) : With heavily doped channel stop portion)

Patent 5258639: Semiconductor memory device having multilayer wiring structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate field effect transistor in integrated circuit : With specified physical layout (e.g., ring gate, source/drain regions shared between plural FETs, plural sections connected in parallel to form power MOSFET) : With heavily doped channel stop portion)

Patent 5258640: Gate controlled Schottky barrier diode
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : SCHOTTKY BARRIER : Temperature)

Patent 5258641: Semiconductor device for extracting a signal used to monitor potential of a high voltage island at a low voltage island and method of
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH MEANS TO INCREASE BREAKDOWN VOLTAGE THRESHOLD : Field relief electrode : Combined with floating pn junction guard region : Connected across base-collector junction of transistor (e.g., Baker clamp))

Patent 5258642: Semiconductor device having reduced parasitic capacitance
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Including dielectric isolation means : Combined with pn junction isolation (e.g., isoplanar, LOCOS) : Dielectric in groove : Vertical walled groove : With active junction abutting groove (e.g., "walled emitter") : Silicide of refractory metal)

Patent 5258643: Electrically programmable link structures and methods of making same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Passive components in ICs : Including programmable passive component (e.g., fuse) : Anti-fuse : Sides of grooves along major crystal planes (e.g., (111), (100) planes, etc.))

Patent 5258644: Semiconductor device and method of manufacture thereof
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS : Lateral bipolar transistor structure : With multiple collectors or emitters : With different emitter to collector spacings or facing areas : Including lateral bipolar transistor structure)

Patent 5258645: Semiconductor device having MOS transistor and a sidewall with a double insulator layer structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH MEANS TO CONTROL SURFACE EFFECTS : Insulating coating : Multiple layers : Three or more insulating layers : Thin film ballasting means (e.g., polysilicon resistor))

Patent 5258646: Package for microwave IC
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Of specified material other than copper (e.g., Kovar (T.M.)))

Patent 5258647: Electronic systems disposed in a high force environment
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Housing or package filled with solid or liquid electrically insulating material : Stacked arrangement)

Patent 5258648: Composite flip chip semiconductor device with an interposer having test contacts formed along its periphery
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Flip chip : Cross-over arrangement, component or structure)

Patent 5258649: Semiconductor device and electronic apparatus using semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : ENCAPSULATED : Configuration or pattern of bonds)

Patent 5258650: Semiconductor device having encapsulation comprising of a thixotropic fluorosiloxane material
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : ENCAPSULATED : With specified encapsulant : With adhesive means)

Patent 5258651: Electrically biased starting reaction device for a power transmission
(PRIME-MOVER DYNAMO PLANTS : ELECTRIC CONTROL : Excitation dynamo : Starting and generating dynamo : Rotary field and armature : Engine control)

Patent 5258652: Distributed plant control system
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL LOAD CIRCUIT SYSTEMS : Selectively connected or controlled load circuits : Selective series-parallel connections)

Patent 5258653: Power efficient voltage to current coverter
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL SUPPLY CIRCUITS OR SOURCES : Diverse or unlike electrical characteristics : Differing capacities : With intervening dynamoelectric machine)

Patent 5258654: Computer-checking of the position of a switch whose contacts where oxidized
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Condition responsive : Electrical : Speed, centrifugal or kinetic force)

Patent 5258655: Apparatus for electrically switching between peripheral devices
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Switch actuation : Switch contact conditioning)

Patent 5258656: Electronic on/off timer apparatus and method incorporating predetermined time delay intervals
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : SWITCHING SYSTEMS : Switch actuation : With time delay or retardation means : Polarity reversing)

Patent 5258657: Neuron circuit
(ELECTRONIC DIGITAL LOGIC CIRCUITRY : THRESHOLD (E.G., MAJORITY, MINORITY, OR WEIGHTED INPUTS, ETC.) : Signal level or switching threshold stabilization)

Patent 5258658: Gamma correction circuit
(MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS : SIGNAL CONVERTING, SHAPING, OR GENERATING : Amplitude control : With gas tube)

 

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