Patents 5731400 - 5731660

 

 

Patent 5731400: Rigid-rod polymers
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE : From ketone-containing phenolic reactant or with ketone-containing reactant : With at least one nonepoxy or nonphenolic reactant)

Patent 5731401: Process for the preparation of thermotropic aromatic polyesters directly from dialkyl aromatic esters
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE : With polycarboxylic acid or derivative as reactant : Two or more polycarboxylic acids or derivatives as reactants : Reactant contains three or more carboxylic acid groups or is derivative thereof)

Patent 5731402: Biodegradable aliphatic polyester, melt-extrusion film thereof, and process for the production thereof
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM KETONE OR KETENE REACTANT : Polymerizing in the presence of a specified material other than a reactant : Two or more phenolic reactants each of which contains a single -OH group or inorganic phenolate group, or with a compound containing a single ether oxygen atom bonded to two discrete aryl rings)

Patent 5731403: Low temperature manufacturing process for nylon
(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 dicarboxylic acid or derivative thereof and an organic amine, or from an organic amine salt of a dicarboxylic acid : From at least two organic polyamines : 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 5731404: Polyimide film from pyromellitic dianhydride and a bis(4-aminophenoxy) aromatic compound as an alignment layer for liquid crystal displays
(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 5731405: Process and materials for inducing pre-tilt in liquid crystals and liquid crystal displays
(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 5731406: Macromonomer preparation
(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. : Polymerizing in the presence of a specified material other than a reactant : Material contains a metal atom : All reactants contain at least one aryl ring)

Patent 5731407: Double metal cyanide complex catalysts
(SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES : : FROM HETEROCYCLIC REACTANT CONTAINING AS RING ATOMS OXYGEN, SELENIUM OR TELLURIUM, E.G., EPOXY, ETC. : Polymerizing in the presence of a specified material other than a reactant : Material contains a metal atom : Reactant which is devoid of a heterocyclic ring containing oxygen, selenium or tellurium as ring atoms, contains at least one nitrogen atom)

Patent 5731408: Peptides having potent antagonist and agonist bioactivities at melanocortin receptors
(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 5731409: Polypeptides with type I collagen activity
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PEPTIDES OF 3 TO 100 AMINO ACID RESIDUES : 25 or more amino acid residues in defined sequence : Containing only normal peptide links in the ring, i.e., homodetic cyclic peptides)

Patent 5731410: Peptide for blocking autoantibody-evoked activation of glutamate receptor type 3 (GLUR3)
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PEPTIDES OF 3 TO 100 AMINO ACID RESIDUES : 24 amino acid residues in defined sequence : Containing only normal peptide links in the ring, i.e., homodetic cyclic peptides)

Patent 5731411: Promotion of homologous DNA pairing by RecA-derived peptides
(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 5731412: Protein, DNA coding for same and method of producing the 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 5731413: Method of synthesis of peptidyl aldehydes
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PEPTIDES OF 3 TO 100 AMINO ACID RESIDUES : Tripeptides, e.g., tripeptide thyroliberin (TRH), melanostatin (MIF), etc. : Containing only normal peptide links in the ring, i.e., homodetic cyclic peptides)

Patent 5731415: Lipopolysaccharide binding protein derivatives
(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 5731416: Peptide based nucleic acid surrogates
(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 5731417: Cell culture substrates and method of making
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Scleroproteins, e.g., fibroin, elastin, silk, etc. : Collagen : Separation, purification or synthesis)

Patent 5731418: Collagen-based sorbent polymer and method of preparing same
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Scleroproteins, e.g., fibroin, elastin, silk, etc. : Collagen : Separation, purification or synthesis)

Patent 5731419: Freezing tolerance proteins Wcs19 and Wcor410 from gramineae
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Plant proteins, e.g., derived from legumes, algae or lichens, etc. : Derived from grain, e.g., prolamines, etc. : Derived from wheat :)

Patent 5731420: Antibodies to human I-branching beta-1,6-N-acetylglucosaminyltransferase
(CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF : PROTEINS, I.E., MORE THAN 100 AMINO ACID RESIDUES : Blood proteins or globulins, e.g., proteoglycans, platelet factor 4, thyroglobulin, thyroxine, etc. : Globulins : Immunoglobulin, antibody, or fragment thereof, other than immunoglobulin antibody, or fragment thereof that is conjugated or absorbed : Monoclonal : Binds microorganism or normal or mutant component or product thereof (e.g., animal cell, cell-surface antigen, secretory product, etc.) : Binds enzyme :)

Patent 5731421: Monoazo dyes having a fiber-reactive 2-vinylsulfonyl-5-sufoaniline diazo component and a fiber-reactive halotriazinyl-substituted coupling
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Azo : Fiber- or substrate-reactive azo compound : Halogen attached directly to a hetero ring or to an alicyclic ring by nonionic bonding : The hetero ring is six-membered and contains at least two nitrogens : The hetero ring and benzene ring, to which an azo group is bonded directly, bonded directly to the same nitrogen : Pyrazole containing (including hydrogenated))

Patent 5731422: 2:1 Aluminum complexes of monoazo compounds
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Azo : Heavy metal or aluminum containing : Amine salt : Two azo groups attached indirectly to each other by nonionic bonding)

Patent 5731423: Process for preparing sulfoxides
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carbohydrates or derivatives : O- or S- Glycosides :)

Patent 5731424: High affinity TGF.beta. nucleic acid ligands and inhibitors
(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 5731425: Polypeptide surface marker for cells
(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 5731426: Phaseolus .alpha.-D-galactosidases
(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 5731427: Nucleic acids encoding a gap-associated protein
(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.) : Encodes an animal polypeptide :)

Patent 5731428: gC1q receptor, HIV-1 gp120 region binding thereto, and related peptides and targeting antibodies
(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.) : Encodes a microbial polypeptide : Viral protein :)

Patent 5731429: C.sup.ac -methylphosphonamidites and methods for preparing methylphosphonates
(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.) : Synthesis of polynucleotides or oligonucleotides : Trivalent phosphorus compound utilized : Primers)

Patent 5731430: Cationic polysaccharides esterified by a discarloxylic acid anhydride substituted with a branched carbon chain
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carbohydrates or derivatives : Cellulose or derivative : Esters : Polysaccharides)

Patent 5731431: Process for preparing 4-substituted azetidinone 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 : Phthalocyanines)

Patent 5731432: Inhibitors of adenosine monophosphate deaminase
(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 : The hetero ring contains plural nitrogens (e.g., 1,3-diazepines, etc.) : Polycyclo ring system which contains the hetero ring as one of the cyclos : Bicyclo ring system which contains the hetero ring as one of the cyclos : At least three ring hetero atoms in the bicyclo ring system : s-Triazolo(4,3-a)(1,4)-benzodi-azepines (including hydrogenated))

Patent 5731433: Process for the preparation of rufloxacin and salts thereof
(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 : Polycyclo ring system having the six-membered hetero ring as one of the cyclos : Tricyclo ring system having the six-membered hetero ring as one of the cyclos : Polycyclo ring system having the thiadiazine ring as one of the cyclos)

Patent 5731434: Endothelin antagonists
(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 oxygen, nitrogen and carbon (e.g., 1,2-oxazines, etc) : 1,4-Oxazines : Morpholines (i.e., fully hydrogenated 1,4-oxazines : Additional nitrogen containing hetero ring (e.g., thiazetidine, etc.) : Five-membered hetero ring consisting of one nitrogen and four carbons : 1,2-Diazole ring (including hydrogenated))

Patent 5731435: Process for the preparation of heterocyclic alkylamide derivatives
(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 oxygen, nitrogen and carbon (e.g., 1,2-oxazines, etc) : 1,4-Oxazines : Morpholines (i.e., fully hydrogenated 1,4-oxazines : Nitrogen attached directed or indirectly to morpholine ring by nonionic bonding : Oxygen double bonded and acyclic nitrogen bonded directly to the same carbon : A ring bonded directly to the carbon : The additional six-membered hetero ring is one of the cyclos in a bicyclo ring system)

Patent 5731436: Process for preparing benzoic acid derivative intermediates and benzothiophene pharmaceutical 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.) : Six-membered hetero ring consists of oxygen, nitrogen and carbon (e.g., 1,2-oxazines, etc) : 1,4-Oxazines : Morpholines (i.e., fully hydrogenated 1,4-oxazines : Oxygen attched directly or indirectly to morpholine ring by nonionic bonding : The oxygen is in a -COO- group : Carbonyl of -COO- group bonded directly to a ring : The additional six-membered hetero ring is one of the cyclos in a bicyclo ring system)

Patent 5731437: Process for the preparation of melamine
(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 : Melamine per se, or salt thereof : Processes utilizing urea or biuret reactant : The carbonyl is bonded directly to nitrogen of morpholine ring)

Patent 5731438: N-(aminoalkyl)-and/or N-(amidoalkyl)-dinitrogen heterocycles
(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.) : The six-membered hetero ring consists of two nitrogens and four carbons (e.g., 1,2-diazines, etc.) : 1,4-diazines : Piperazines (i.e., fully hydrogenated 1,4-diazines) : Additional hetero ring containing : Five-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen : Ring chalcogen in the five-membered hetero ring : The five-membered hetero ring is one of the cyclos in a polycyclo ring system : Quinoline or isoquinoline (including hydrogenated))

Patent 5731439: Piperidine containing aminobornic acids
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Hetero ring is six-membered consisting of one nitrogen and five carbons : Boron containing : Azide or acyclic nitrogen containing)

Patent 5731440: Intermediates for producing 5,7-dichloro-4-hydroxyquinoline
(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 : Quinolines (including hydrogenated) : Chalcogen attached directly to the six-membered hetero ring by nonionic bonding : Having -C(=X)-, wherein X is chalcogen, bonded directly to the six-membered hetero ring : Three or more oxygens attached directly or indirectly to the tropane ring system by nonionic bonding)

Patent 5731441: Hydroxamic acid derivatives with tricyclic substitution
(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.) : The five-membered hetero ring consists of chalcogen, plural nitrogens, and carbon : 1,2,5-thiadiazoles (including hydrogenated) : Chalcogen or nitrogen attached directly to ring carbon of the thiadiazole ring by nonionic bonding : Nitrogen or additional chalcogen bonded directly to ring carbon of the thiadiazole ring)

Patent 5731442: Synthesis of thiazole derivatives
(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-thiazoles (including hydrogenated) : Nitrogen attached directly to the thiazole ring by nonionic bonding : Chalcogen attached indirectly to the thiazole ring by nonionic bonding : Nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen)

Patent 5731443: Liquid phthalic anhydride recovery process using a rectification tower
(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 : Phthalic anhydride per se : Preparing by oxidation :)

Patent 5731445: 1,2- Dioxetane derivatives
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring is five-membered : Polycyclo ring system having the hetero ring as one of the cyclos : Bicyclo ring system having the hetero ring as one of the cyclos : Plural ring oxygens in the bicyclo ring system : Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the tricyclo ring system by nonionic bonding)

Patent 5731446: Molybdenum epoxidation catalyst recovery
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : : Oxygen containing hetero ring (e.g., dioxirane, etc.) : The hetero ring is three-membered consisting of one oxygen and two carbons : Processes : Oxirane ring formed : Epoxidation at site of ethylenic unsaturation : Liquid phase epoxidation : Organic hydroperoxide reactant : Epoxidizing unsaturated fat or fatty oil, or unsaturated derivative thereof)

Patent 5731447: Process for preparing 16.alpha.-methyl-steroids
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Cyclopentanohydrophenanthrene ring system containing : Carbon bonded directly at the 17-beta-position of the cyclopentanohydrophenanthrene ring system is a member of an acyclic chain of two uninterrupted carbons (e.g., pregnanes, etc.) : Three or more oxygens bonded directly to the cyclopentanohydrophenanthrene ring system : Oxygen bonded directly at the 3-, 11-, and 17-positions : Oxygen bonded directly at the 21-position : Carbon bonded directly at the 16-position (e.g., betamethasones, dexamethasones, etc.) : Carbon bonded directly at the 16-position)

Patent 5731448: (+) and (-)-8-chloro-6-sulfonyloxy-octanoic acid, its derivatives, and methods for making
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Fatty compounds having an acid moiety which contains the carbonyl of a carboxylic acid, salt, ester, or amide group bonded directly to one end of an acyclic chain of at least seven (7) uninterrupted carbons, wherein any additional carbonyl in the acid moiety is (1) part of an aldehyde or ketone group, (2) bonded directly to a noncarbon atom which is between the additional carbonyl and the chain, or (3) attached indirectly to the chain via ionic bonding : Sulfur containing : Nitrogen containing)

Patent 5731449: Triethylendiamine synthesis with base-treated zeolites as catalysts
(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.) : The six-membered hetero ring consists of two nitrogens and four carbons (e.g., 1,2-diazines, etc.) : 1,4-diazines : Polycyclo ring system having the diazine ring as one of the cyclos : Bicyclo ring system having the diazine ring as one of the cyclos : Triethylene diamines : Process of forming, purifying, or recovering triethylene diamine per se, or salt thereof : Carbocyclic ring bonded directly at 3-position)

Patent 5731450: Oil adduct conditioners
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Fatty compounds having an acid moiety which contains the carbonyl of a carboxylic acid, salt, ester, or amide group bonded directly to one end of an acyclic chain of at least seven (7) uninterrupted carbons, wherein any additional carbonyl in the acid moiety is (1) part of an aldehyde or ketone group, (2) bonded directly to a noncarbon atom which is between the additional carbonyl and the chain, or (3) attached indirectly to the chain via ionic bonding : Alicyclic ring in the acid moiety : Acyclic carbon-to-carbon unsaturation in the acid moiety (e.g., ricinoleic acid, castor oil, etc.))

Patent 5731451: Modified polyalkylauminoxane composition formed using reagent containing aluminum trialkyl siloxide
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : ALUMINUM CONTAINING : Silicon containing : Chalcogen bonded directly to the metal)

Patent 5731452: 7-thiaprostaglandins and method of production thereof
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : SILICON CONTAINING : Sulfur attached indirectly to silicon by nonionic bonding : Two silicons bonded directly to the same oxygen)

Patent 5731453: Process for producing a diaryl carbonate
(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) : Benzene ring bonded directly to the -O-C(=O)O- group : Two benzene rings bonded directly to the -O-C(=O)O- group (i.e., diaryl carbonates) : Nitrogen attached directly or indirectly to the benzene ring by nonionic bonding)

Patent 5731454: Allosteric modifiers of hemoglobin useful for decreasing oxygen affinity and preserving oxygen carrying capability of stored blood
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Aromatic acid moiety : Nitrogen in acid moiety other than as nitroso or isocyanate (e.g., amino acid esters, etc.) : The nitrogen is bonded directly to a ring and is in same side chain as ester function : Oxy in acid moiety)

Patent 5731455: Lignan analogues, methods of preparation thereof and anti-hyperlipemic agents
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Aldehyde or ketone group in acid moiety : Cyclic alcohol moiety)

Patent 5731456: Preparation of vinyl acetate
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Unsubstituted acids of the acetic series : Preparing esters from aldehydes : From alkenyl halides)

Patent 5731457: Vinyl acetate process utilizing a palladium-gold-copper catalyst
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acid esters : Acyclic acid moiety : Unsubstituted acids of the acetic series : Preparing esters from hydrocarbons : From olefins utilizing Group VIII noble metal catalyst : Gas phase : Polyoxy alcohol moiety)

Patent 5731458: Process for thermally cracking carbamic acid esters
(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) : Processes : Processes for forming the isocyanate group : Carbamate reactant (i.e., reactant contains -O-C(=O)-NH- group (wherein substitution may be made for hydrogen only) : Reactant contains nitro group bonded directly to carbon)

Patent 5731459: Process for separating amino acids and aminosulponic acids through adsorption on zeolites
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Sulfonic acids or salts thereof (i.e., compounds containing the sulfonate group, -S(=O)(=O)-O- wherein the single bonded oxygen is bonded directly to hydrogen, or to a group IA or IIA light metal or to substituted or unsubstituted ammonium) : Nitrogen attached directly to the sulfonate sulfur by nonionic bonding (e.g., sulfamic acids, etc.) : Addition salts having organic nitrogen containing cation)

Patent 5731460: Oxidative cleavage of alkenes with a catalyst system containing a source of molybdenum, a source of rutlenium and a phase transfer agent
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Aromatic : Formation of carboxyl group by oxidation : Of aromatic compound : The alkylating agent is an olefin)

Patent 5731461: Surfactant composition and process for producing same
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Sulfonamides (i.e., Q-(O=)S(=O)-HNH, wherein Q is a substituent and wherein any substituent replacing one or both hydrogens shown will be referred to as E) : Substituent Q contains benzene ring : Substituent Q is monocyclic : Hydroxy, bonded directly to carbon, or ether in a substituent E (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) : In plural stages)

Patent 5731462: Process for obtaining N-monosubstituted hydroxylamine
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Containing nitrogen double bonded directly to carbon : Benzene ring containing)

Patent 5731463: Selective alkylation of an alcohol substituted phenol compound
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Benzene ring containing : Preparing directly by amination : Of ether or alkylene oxide : By reductive amination)

Patent 5731464: Process for preparation of indenol
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Benzene ring containing : Polycyclo ring system : Bicyclo ring system : By direct hydrogenation)

Patent 5731465: Process for the preparation of tertiary butyl hydrazine hydrohalogenide
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Acyclic : Aminimine or hydrazine containing : Bicyclo ring system)

Patent 5731466: Method for preparing alkylbenzoic acid
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Aromatic : Formation of carboxyl group by oxidation : Of aromatic compound : Alkyl side chain oxidized : Air, oxygen, or ozone oxidant : With recycle or recovery of reaction component :)

Patent 5731467: Process for the manufacture of xylaric acid and uses thereof
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Acyclic : Formation of carboxyl group by oxidation : Of carboxylic acid or ester : Of oxy acid or ester : Salicyclic acid per se or salt thereof)

Patent 5731468: Preparation of disodium ethylenediamine-N,N'-disuccinate
(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.) : Plural nitrogens : Polycarboxylic : Penicillamine per se or salt thereof)

Patent 5731469: Process for the preparation of 3-chloropropionic acid
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : Carboxylic acids and salts thereof : Acyclic : Halogen : Preparation by halogenating acid or anhydride : Tartaric acid per se or salt thereof)

Patent 5731470: Weakly nucleophilic anions
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) : Boron containing (e.g., boron containing complexes, salts, etc.) : Boron attached directly to amino nitrogen by nonionic bonding : Sulfur or phenol containing preservative or stabilizer)

Patent 5731471: Process for the preparation of 2,3-pentanedione
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ketones : Acyclic : Processes : Reactant contains -COO- group : Gaseous hydrogen reactant or Group IA or IIA light metal containing material utilized)

Patent 5731472: Metal-ligand complex catalyzed processes
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Aldehydes : Acyclic : Processes : Hydroformylation by reacting ethylenically unsaturated compound, carbon monoxide, and gaseous hydrogen : Group VA element (N, P, As, Sb, or Bi) containing material utilized (e.g., arsenic containing ligand utilized, etc.) : Ag, Au, Pd, Pt, Rh, Ir, Ru, or Os containing catalyst utilized)

Patent 5731473: Metal-ligand complex catalyzed processes
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Aldehydes : Acyclic : Processes : Hydroformylation by reacting ethylenically unsaturated compound, carbon monoxide, and gaseous hydrogen : Group VA element (N, P, As, Sb, or Bi) containing material utilized (e.g., arsenic containing ligand utilized, etc.) : Ag, Au, Pd, Pt, Rh, Ir, Ru, or Os containing catalyst utilized)

Patent 5731474: Method of making acetals
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Plural oxygens bonded directly to the same carbon (e.g., acetals, ketals, orthoesters, orthocarbonates, etc.) : Benzene ring containing : Plural oxygens bonded directly to the same carbon (e.g., acetals, ketals, orthoesters, orthocarbonates, etc.))

Patent 5731475: Preparation of cyclopropane esters
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Plural oxygens bonded directly to the same carbon (e.g., acetals, ketals, orthoesters, orthocarbonates, etc.) : Acyclic : Carbon to carbon unsaturation containing : Polyoxy)

Patent 5731476: Poly ether preparation
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Plural oxyalkylene groups bonded directly to each other : Acyclic : Preparing from organic hydroxy containing compound (H of -OH may be replaced by a Group IA or IIA light metal) : From polyhydroxy containing compound : Hydroxy bonded directly to each end of a chain which is polyoxymethylene only (e.g., paraformaldehyde, etc., wherein H of -OH may be replaced by a Group IA or IIA light metal))

Patent 5731477: Method for synthesis of aryl difluoromethyl ethers
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) : Ethers : Benzene ring containing : Halogen containing : Halogen containing)

Patent 5731478: Process for preparing alkanediols
(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 : Polyhydroxy : Preparing by reduction (e.g., by hydrogenation, etc.) : Of aldehyde or ketone : Boron containing material utilized)

Patent 5731479: Process for the preparation of optically active alcohols
(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 : Polyhydroxy : Preparing by reduction (e.g., by hydrogenation, etc.) : Of compound containing a -COO- group : Of polyhydroxy aldehyde or polyhydroxy ketone (e.g., of carbohydrate, glyceraldehyde, etc.))

Patent 5731480: Coproduction of vinylidene alcohols and vinylidene hydrocarbons
(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 by hydration of olefin : Aluminum containing catalyst utilized : Ethanol)

Patent 5731481: Process for the manufacture of 1,1,1,2-Tetrafluoroethane
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Fluorine containing : By reacting with hydrogen fluoride : Catalyst utilized : Metal halide containing catalyst : Transition metal halide containing catalyst :)

Patent 5731482: Method for purifying perchloroethylene containing dichlorobutadiene
(ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES : : HALOGEN CONTAINING : Processes of preparing, purifying, or recovering unsaturated compound : Purification or recovery : To triple bond)

Patent 5731483: Recycling of plastics in a steam cracker
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PRODUCTION OF HYDROCARBON MIXTURE FROM REFUSE OR VEGETATION : From synthetic resin or rubber : Plural rings)

Patent 5731485: Method of controlling a heater using heat flux ratios
(CHEMISTRY OF HYDROCARBON COMPOUNDS : AROMATIC COMPOUND SYNTHESIS : With measuring, sensing, testing, or synthesis operation control responsive to diverse condition : Using H acceptor)

Patent 5731486: Process for preparing 3-methyl-2-pentene
(CHEMISTRY OF HYDROCARBON COMPOUNDS : UNSATURATED COMPOUND SYNTHESIS : By addition of entire unsaturated molecules, e.g., polymerization, etc. : Definite molecular weight product, e.g., dimer, etc. : Using catalyst containing metal bonded to or complexed with C, C-containing compound, or H : Of definite molecular weight, e.g., dimer, etc.)

Patent 5731487: Process for producing olefin having a terminal double bond
(CHEMISTRY OF HYDROCARBON COMPOUNDS : UNSATURATED COMPOUND SYNTHESIS : By addition of entire unsaturated molecules, e.g., polymerization, etc. : Definite molecular weight product, e.g., dimer, etc. : Using catalyst containing metal bonded to or complexed with C, C-containing compound, or H : Al-and transition metal-containing : And N-, P-, or S-containing :)

Patent 5731488: Method for the purifiction of a paraffin cut
(CHEMISTRY OF HYDROCARBON COMPOUNDS : PURIFICATION, SEPARATION, OR RECOVERY : By contact with solid sorbent : Aromatic permeate)

Patent 5731489: Transgenic rats containing at least one human gene which participates in blood pressure control
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : NONHUMAN ANIMAL : The nonhuman animal is a model for human disease : The protein is an immunoglobulin)

Patent 5731490: Mutant mouse lacking the expression of interferon regulatory factor 1 (IRF-1)
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : NONHUMAN ANIMAL : The nonhuman animal is a model for human disease : The protein is an immunoglobulin)

Patent 5731491: Inbred maize line PHNG2
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : METHOD OF USING A PLANT OR PLANT PART IN A BREEDING PROCESS WHICH INCLUDES A STEP OF SEXUAL HYBRIDIZATION : Method of breeding maize : Via a male sterility genetic trait)

Patent 5731492: Inbred maize line PH19A
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : METHOD OF USING A PLANT OR PLANT PART IN A BREEDING PROCESS WHICH INCLUDES A STEP OF SEXUAL HYBRIDIZATION : Method of breeding maize : Via a male sterility genetic trait)

Patent 5731493: Inbred maize line PH63B
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : METHOD OF USING A PLANT OR PLANT PART IN A BREEDING PROCESS WHICH INCLUDES A STEP OF SEXUAL HYBRIDIZATION : Method of breeding maize : Via a male sterility genetic trait)

Patent 5731494: Hybrid maize plant and seed (3820)
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : PLANT, SEEDLING, PLANT SEED, OR PLANT PART, PER SE : Higher plant, seedling, plant seed, or plant part (i.e., angiosperms or gymnosperms) : Gramineae (e.g., barley, oats, rye, sorghum, millet, etc.) : Maize :)

Patent 5731496: Hybrid maize plant and seed (3491)
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : PLANT, SEEDLING, PLANT SEED, OR PLANT PART, PER SE : Higher plant, seedling, plant seed, or plant part (i.e., angiosperms or gymnosperms) : Gramineae (e.g., barley, oats, rye, sorghum, millet, etc.) : Maize :)

Patent 5731497: Hybrid maize plant & seed (3310)
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : PLANT, SEEDLING, PLANT SEED, OR PLANT PART, PER SE : Higher plant, seedling, plant seed, or plant part (i.e., angiosperms or gymnosperms) : Gramineae (e.g., barley, oats, rye, sorghum, millet, etc.) : Maize :)

Patent 5731499: Hybrid maize plant and seed (3153)
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : PLANT, SEEDLING, PLANT SEED, OR PLANT PART, PER SE : Higher plant, seedling, plant seed, or plant part (i.e., angiosperms or gymnosperms) : Gramineae (e.g., barley, oats, rye, sorghum, millet, etc.) : Maize :)

Patent 5731500: Inbred maize line CG5NF22
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : METHOD OF USING A PLANT OR PLANT PART IN A BREEDING PROCESS WHICH INCLUDES A STEP OF SEXUAL HYBRIDIZATION : Method of breeding maize : Via a male sterility genetic trait)

Patent 5731501: Inbred maize line CG4NU15
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : METHOD OF USING A PLANT OR PLANT PART IN A BREEDING PROCESS WHICH INCLUDES A STEP OF SEXUAL HYBRIDIZATION : Method of breeding maize : Via a male sterility genetic trait)

Patent 5731502: Inbred maize lines CG5NA58 and CG5NA58A
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : METHOD OF USING A PLANT OR PLANT PART IN A BREEDING PROCESS WHICH INCLUDES A STEP OF SEXUAL HYBRIDIZATION : Method of breeding maize : Via a male sterility genetic trait)

Patent 5731503: Inbred corn line NP 948
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : PLANT, SEEDLING, PLANT SEED, OR PLANT PART, PER SE : Higher plant, seedling, plant seed, or plant part (i.e., angiosperms or gymnosperms) : Gramineae (e.g., barley, oats, rye, sorghum, millet, etc.) : Maize :)

Patent 5731504: Inbred corn line LH236
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : METHOD OF USING A PLANT OR PLANT PART IN A BREEDING PROCESS WHICH INCLUDES A STEP OF SEXUAL HYBRIDIZATION : Method of breeding using gametophyte control : Molecular marker is used)

Patent 5731505: Inbred broccoli line SA-5
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : METHOD OF USING A PLANT OR PLANT PART IN A BREEDING PROCESS WHICH INCLUDES A STEP OF SEXUAL HYBRIDIZATION : Via microinjection of DNA into an embryo, egg cell, or embryonic cell)

Patent 5731506: Inbred corn line CG00766
(MULTICELLULAR LIVING ORGANISMS AND UNMODIFIED PARTS THEREOF AND RELATED PROCESSES : METHOD OF USING A PLANT OR PLANT PART IN A BREEDING PROCESS WHICH INCLUDES A STEP OF SEXUAL HYBRIDIZATION : Method of breeding maize : Via a male sterility genetic trait)

Patent 5731507: Integral airfoil total temperature sensor
(MEASURING AND TESTING : NAVIGATION : Ship's log : Pressure differential type : Force)

Patent 5731508: Calibrating gas generator
(MEASURING AND TESTING : INSTRUMENT PROVING OR CALIBRATING : Gas or liquid analyzer : Reference standard :)

Patent 5731509: Almen strip
(MEASURING AND TESTING : TESTING IMPACT DELIVERING DEVICE (E.G., A HAMMER) : Shot peener : Reference standard detail)

Patent 5731510: Multi-gas sensor systems for automotive emissions measurement
(MEASURING AND TESTING : GAS ANALYSIS : Gas of combustion : For density or specific gravity)

Patent 5731511: Measuring cell with multiple pressure taps
(MEASURING AND TESTING : WITH FLUID PRESSURE : Porosity or permeability : Internal gauging)

Patent 5731512: Method for quick estimation of erythrocyte sedimentation rate with capillary tubes lined with preformed anticoagulant, mounted in an
(MEASURING AND TESTING : LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID : Content or effect of a constituent of a liquid mixture : Settling or filtering ability : Sedimentation rate : Detector detail)

Patent 5731513: Method and apparatus for rapid determination of blood sedimentation rate
(MEASURING AND TESTING : LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID : Content or effect of a constituent of a liquid mixture : Settling or filtering ability : Sedimentation rate : With means for accelerating solids (e.g., particles) : By measuring a counterbalance or restoring force)

Patent 5731514: Abnormality detecting apparatus for use in fuel-transpiration preventing systems
(MEASURING AND TESTING : MOTOR AND ENGINE TESTING : Testing auxiliary unit : With continuous operation)

Patent 5731515: High-pressure pump unit and test method therefor
(MEASURING AND TESTING : MOTOR AND ENGINE TESTING : Motor part : Fuel injection tests : By angular displacement of opposite ends of specimen)

Patent 5731516: System and method for monitoring a pneumatic tire
(MEASURING AND TESTING : TIRE, TREAD OR ROADWAY : Tire inflation testing installation : By direct fluid pressure reading : Telemetric (e.g., indicator on cowl) : Electric : Cantilever)

Patent 5731517: Measuring device used in a four-parameter measuring system and in a high temperature and high pressure condition
(MEASURING AND TESTING : BOREHOLE OR DRILLING (E.G., DRILL LOADING FACTOR, DRILLING RATE, RATE OF FLUID FLOW) : Bond strength)

Patent 5731518: Solder fluxer with liquid flux density control
(MEASURING AND TESTING : SPECIFIC GRAVITY OR DENSITY OF LIQUID OR SOLID : Hydrostatic pressure type : Immersion)

Patent 5731519: Oscillation gyro and an inspection apparatus therefor
(MEASURING AND TESTING : SPEED, VELOCITY, OR ACCELERATION : Angular rate using gyroscopic or Coriolis effect : Vibratory mass : Flexible rotor or flexibly mounted rotor)

Patent 5731520: Acceleration sensing module with a combined self-test and ground electrode
(MEASURING AND TESTING : SPEED, VELOCITY, OR ACCELERATION : Acceleration determination utilizing inertial element : Specific type of electric sensor or specific type of magnetic sensor : Capacitive sensor : Frequency or phase shift)

Patent 5731521: Apparatus for monitoring high temperature ultrasonic characterization
(MEASURING AND TESTING : VIBRATION : By mechanical waves : Beamed : Sonic wave transmitter or receiver transducer : Having unitary sonic type transmitter-receiver transducer)

Patent 5731522: Transmitter with isolation assembly for pressure sensor
(MEASURING AND TESTING : FLUID PRESSURE GAUGE : With pressure and/or temperature compensation : Vibrating strip or wire)

Patent 5731523: Hose fatigue indicator
(MEASURING AND TESTING : SPECIMEN STRESS OR STRAIN, OR TESTING BY STRESS OR STRAIN APPLICATION : Deformation or change in stress after fracture, cutting, or boring : Strain multiplier)

Patent 5731524: Method and apparatus for measuring torsional rigidity of a shaft
(MEASURING AND TESTING : SPECIMEN STRESS OR STRAIN, OR TESTING BY STRESS OR STRAIN APPLICATION : By loading of specimen (e.g., strength of material test) : Varied according to predetermined pattern : Repetitive : Torsional : Drum)

Patent 5731525: Extraction force tester
(MEASURING AND TESTING : SPECIMEN STRESS OR STRAIN, OR TESTING BY STRESS OR STRAIN APPLICATION : By loading of specimen (e.g., strength of material test) : Tensile : Having specified clamp : To failure)

Patent 5731526: System for displaying the amount of fluid dispensed from a hand-held sprayer
(MEASURING AND TESTING : VOLUME OR RATE OF FLOW : Unattached, self-contained probe with buoyancy controlled level of descent)

Patent 5731527: Coriolis flowmeters using fibers and anisotropic material to control selected vibrational flowmeter characteristics
(MEASURING AND TESTING : VOLUME OR RATE OF FLOW : Mass flow by imparting angular or transverse momentum to the fluid : Coriolis or gyroscopic : Vibrated conduit : In both directions simultaneously)

Patent 5731528: Rope tension measuring apparatus for use with an elevator
(MEASURING AND TESTING : DYNAMOMETERS : Responsive to force : To determine tension on a flexible element : By measuring vibrations (e.g., resonant frequency) : Using an electrical sensor)

Patent 5731529: Device for measuring the torque of a rotating shaft
(MEASURING AND TESTING : DYNAMOMETERS : Responsive to torque : During transmission to an external load : By measuring elastic deformation of a torque transmitting member : Using an electrical sensor : Phase angle detection : Transducer forms wheel or is within a wheel)

Patent 5731530: Automatic player piano exactly reproducing special touches
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Stringed : Pianos : Electric power : Key actuators : With expression : Tempo control)

Patent 5731531: Shoulder rest for violin or like instrument
(MUSIC : INSTRUMENTS : Stringed : Violins : Supports : Sound posts)

Patent 5731532: Accordion sliding bass
(MUSIC : INSTRUMENTS : Wind : Minor reed : Accordions : Attachments, supports and locks : Auxiliary)

Patent 5731533: Musical tone signal forming apparatus for use in simulating a tone of string instrument
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Digital combinational circuit : Tone synthesis or timbre control : Filtering : Rhythm)

Patent 5731534: Method and apparatus for imparting an effect to a tone signal with grade designation
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Digital combinational circuit : Expression or special effects : Filtering)

Patent 5731535: Proximity sensitive control circuit for electrical musical instrument
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Transducers : Capacitive : Reed)

Patent 5731536: Audio signal processing circuit for electric guitars for simulating the sound produced by the combination of an amplifier and microphone
(MUSIC : INSTRUMENTS : Electrical musical tone generation : Transducers : Tone synthesis or timbre control : Filtering : Noise reduction (e.g., error prevention, etc.))

Patent 5731537: System and method for reforming shotshells
(AMMUNITION AND EXPLOSIVE-CHARGE MAKING : AMMUNITION LOADING : Implements, including resizing, reconditioning : Crimper heads)

Patent 5731538: Method and system for making integrated solid-state fire-sets and detonators
(AMMUNITION AND EXPLOSIVES : IGNITING DEVICES AND SYSTEMS : Electrical primer or ignitor : Fuse device resistive shunt)

Patent 5731539: Target detection method
(AMMUNITION AND EXPLOSIVES : IGNITING DEVICES AND SYSTEMS : Ignition or detonation circuit : Proximity fuze : Piezoelectric crystal)

Patent 5731540: Methods of preparing gas generant formulations
(EXPLOSIVE AND THERMIC COMPOSITIONS OR CHARGES : PROCESSES OF MAKING : Nitrated starch or nitrated sugar)

Patent 5731541: Screening element and process for producing it
(ELECTRICITY: CONDUCTORS AND INSULATORS : ANTI-INDUCTIVE STRUCTURES : Shielded or screened : Gaskets, covers : Spark plugs)

Patent 5731542: Apparatus and method for mounting an electronic component to a substrate and method for spray-cooling an electronic component mounted to a
(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 5731543: Conduit connector assembly with end stop grommet for attachment of conduit to junction box
(ELECTRICITY: CONDUCTORS AND INSULATORS : BOXES AND HOUSINGS : With conduit or cable opening, coupling means or hole closures : Fixtures coupling or mounting means)

Patent 5731544: Electrical outdoor outlet cover
(ELECTRICITY: CONDUCTORS AND INSULATORS : COVERS OR FACE PLATES : With conduit or cable opening, coupling means or hole closures)

Patent 5731545: Protective housing for an electrical device
(ELECTRICITY: CONDUCTORS AND INSULATORS : COVERS OR FACE PLATES : With conduit or cable opening, coupling means or hole closures)

Patent 5731546: Telecommunications cable management tray with a row of arcuate cable guide walls
(ELECTRICITY: CONDUCTORS AND INSULATORS : CONDUITS, CABLES OR CONDUCTORS : Accessories : Noncircular strand section)

Patent 5731547: Circuitized substrate with material containment means and method of making same
(ELECTRICITY: CONDUCTORS AND INSULATORS : CONDUITS, CABLES OR CONDUCTORS : Preformed panel circuit arrangement (e.g., printed circuit) : With encapsulated wire : Stud or nipple)

Patent 5731548: Big dial scale mechanism
(WEIGHING SCALES : LOAD HOLDER : Pivotally interconnected transmission levers : Penetrated by load-holder support)

Patent 5731550: Acoustic dipole well logging instrument
(ACOUSTICS : GEOPHYSICAL OR SUBSURFACE EXPLORATION : Well logging :)

Patent 5731551: Mounting assembly and method for mounting a loudspeaker in a vehicle
(ACOUSTICS : DIAPHRAGM AND ENCLOSURE : Recessed (e.g., wall-mounted, etc.) : Receiver)

Patent 5731552: Speaker system with sound absorbing diaphragm
(ACOUSTICS : DIAPHRAGM AND ENCLOSURE : Reflex baffle : Receiver)

Patent 5731553: Speaker system
(ACOUSTICS : DIAPHRAGM AND ENCLOSURE : Reflex baffle : Receiver)

Patent 5731554: Optimized loudspeaker transducer monuting system
(ACOUSTICS : SOUND-MODIFYING MEANS : Housing or enclosure (e.g., sound confining and absorbing) : Speaker type : Wide angle annular outlet)

Patent 5731555: Loudspeaker enclosure having a low reflection/low diffraction baffle
(ACOUSTICS : SOUND-MODIFYING MEANS : Housing or enclosure (e.g., sound confining and absorbing) : Speaker type : Wide angle annular outlet)

Patent 5731556: Muffler for pneumatic device
(ACOUSTICS : SOUND-MODIFYING MEANS : Muffler, fluid conducting type : Pneumatic type motor (e.g., air hammer, etc.) : With sound absorbing material)

Patent 5731557: Fluid guiding element for blocking and damping noise propagating in main passages
(ACOUSTICS : SOUND-MODIFYING MEANS : Muffler, fluid conducting type : Liquid motion silencer : With sound absorbing material)

Patent 5731558: Switching device
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : MULTIPLE CIRCUIT CONTROL : Multiple switch :)

Patent 5731559: Switch mechanism
(ELECTRICITY: CIRCUIT MAKERS AND BREAKERS : MULTIPLE CIRCUIT CONTROL : Pivoted contact : With motion in a single plane)

Patent 5731560: Operating mechanism of a circuit breaker with a locking system disengageable on a short circuit
(HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES : ARC PREVENTING OR EXTINGUISHING DEVICES : Magnetic blowout : Contact structure)

Patent 5731561: Power switch with an ARC quenching device
(HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES : ARC PREVENTING OR EXTINGUISHING DEVICES : Magnetic blowout : Arc chute : With vent means : Movable contact assembly pivots)

Patent 5731562: Method of making a ceramic catalytic converter open cell substrate with rounded corners
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : Cutting or disintegrating (e.g., machining engraving) : Electric spark machining : Wire cutting : Portable)

Patent 5731563: Copper core weld gun
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : For bonding with pressure (e.g., resistance welding) : By spot bonding : Fluid pressure actuated electrode : Having interchangeable welding electrodes)

Patent 5731564: Method of operating a centrifugal plasma arc furnace
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using plasma : Methods)

Patent 5731565: Segmented coil for generating plasma in plasma processing equipment
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using plasma : Control systems : Consumable electrode)

Patent 5731566: Device for welding and/or cutting
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Using laser : Welding : Condition responsive)

Patent 5731567: Thermal working method of metal material containing helium and thermal working apparatus therefor
(ELECTRIC HEATING : METAL HEATING (E.G., RESISTANCE HEATING) : By arc : Welding : Process : Electric motor driven)

Patent 5731568: Battery heating device and method
(ELECTRIC HEATING : HEATING DEVICES : Combined with diverse-type art device : Electrical devices : Motor or engine)

Patent 5731569: Mirror attachment to prevent the formation of condensation
(ELECTRIC HEATING : HEATING DEVICES : Combined with diverse-type art device : Mirror : Crystal or other vibratory device)

Patent 5731570: Heater controller for an air-fuel ratio sensor
(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 5731571: Microwave oven having a switch-actuating display protector
(ELECTRIC HEATING : MICROWAVE HEATING : With control system : With display or alarm : Having duty cycle)

Patent 5731572: Six sigma calculator
(REGISTERS : CALCULATORS : Bar : Slide rules : Pure fluid)

Patent 5731573: Tide calculator
(REGISTERS : CALCULATORS : Single axis : Concentric disk : Key operated)

Patent 5731574: Digital postage indicia verification for inserting system
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Vote counters)

Patent 5731575: Computerized system for discreet identification of duress transaction and/or duress access
(REGISTERS : SYSTEMS CONTROLLED BY DATA BEARING RECORDS : Banking systems : Price determination)

Patent 5731576: Smart card transaction method and system
(REGISTERS : RECORDS : Conductive : Aligning records)

Patent 5731577: Illumination apparatus and projection exposure apparatus using the same
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controls its own optical systems : Automatic focus control : Active autofocus : With optical storage medium; e.g., optical disc, etc. : With detector support)

Patent 5731578: Solid-state imaging apparatus
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Photocell controlled circuit : Plural photosensitive image detecting element arrays : With comparison)

Patent 5731579: Electro-optical voltage sensor head
(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 5731580: Scanning electron microscope
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Electron probe type : Magnetic field path-bending means)

Patent 5731581: Apparatus for automatic identification of gas samples
(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 : With gaseous sample :)

Patent 5731582: Surface sensor device
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : Methods : With irradiation or heating of object or material : Measuring infrared radiation reflected from sample : With gaseous sample)

Patent 5731583: Folded optical path gas analyzer with cylindrical chopper
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Infrared responsive : With means to transmission-test contained fluent material : Locating infrared emissive objects)

Patent 5731584: Position sensitive particle sensor and manufacturing method therefor
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Including a radiant energy responsive gas discharge device : With means to transmission-test contained fluent material)

Patent 5731585: Voigt filter
(RADIANT ENERGY : INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING : Including a radiant energy responsive gas discharge device : With means to ionize the gas : With radioactive source)

Patent 5731586: Magnetic-electrostatic compound objective lens
(RADIANT ENERGY : WITH CHARGED PARTICLE BEAM DEFLECTION OR FOCUSSING : Magnetic lens : With means to convey or guide the target)

Patent 5731587: Hot stage for scanning probe microscope
(RADIANT ENERGY : INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES : Analyte supports : With heat transfer or temperature-indication means : With detector)

Patent 5731588: Process and device for optically measuring a point on a sample with high local resolution
(RADIANT ENERGY : LUMINOPHOR IRRADIATION : With source support)

Patent 5731589: Ultraviolet radiation dosimeter
(RADIANT ENERGY : INVISIBLE RADIATION RESPONSIVE NONELECTRIC SIGNALLING : Photographic type : With radiation filter, modifier, or shield (e.g., dosimeter badges) : With a flow-modifying surface)

Patent 5731590: Metal oxide composite dosimeter method and material
(RADIANT ENERGY : INVISIBLE RADIATION RESPONSIVE NONELECTRIC SIGNALLING : Luminescent device : Requiring an additional energy source to cause luminescence : With optically-stimulated phosphor : Dosimeter : Incremental shaft readers; i.e., with means to generate increments of angular shaft rotation)

Patent 5731591: Beam exposure system having improved mask unit
(RADIANT ENERGY : IRRADIATION OF OBJECTS OR MATERIAL : Irradiation of semiconductor devices : With optical member of material to directly modify luminous energy)

Patent 5731592: Exhaust system for an ion implanter
(RADIANT ENERGY : IRRADIATION OF OBJECTS OR MATERIAL : Irradiation of semiconductor devices : Ion bombardment : Plural planar layer type)

Patent 5731593: Ion implantation method and ion implantation system used therefor
(RADIANT ENERGY : IRRADIATION OF OBJECTS OR MATERIAL : Irradiation of semiconductor devices : Ion bombardment : Plural planar layer type)

Patent 5731594: Infrared light source
(RADIANT ENERGY : RADIANT ENERGY GENERATION AND SOURCES : With radiation modifying member : Ultraviolet or infrared source : Plural planar layer type)

Patent 5731595: Diagnostic input for programmable logic controller
(RADIANT ENERGY : PHOTOCELLS; CIRCUITS AND APPARATUS : Signal isolator : Controlling light source intensity)

Patent 5731596: Super Lattice optical absorber
(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 : Superlattice :)

Patent 5731597: Field emitter array incorporated with metal oxide semiconductor field effect transistors and method for fabricating the same
(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) : Three or more terminal device)

Patent 5731598: Single electron tunnel device and method for fabricating the same
(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) : Tunneling through region of reduced conductivity : Ballistic transport device)

Patent 5731599: Blue light-emitting polymer and light-emitting diode adopting the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : ORGANIC SEMICONDUCTOR MATERIAL : Tunneling through region of reduced conductivity)

Patent 5731600: Image sensor device on insulating surface
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : NON-SINGLE CRYSTAL, OR RECRYSTALLIZED, SEMICONDUCTOR MATERIAL FORMS PART OF ACTIVE JUNCTION (INCLUDING FIELD-INDUCED ACTIVE JUNCTION) : Amorphous semiconductor material : Field effect device in amorphous semiconductor material : In array having structure for use as imager or display, or with transparent electrode : High temperature (i.e., >30o Kelvin))

Patent 5731601: Four-phase driving CCD solid-state imaging device with a two-layer transfer gate electrode
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Charge transfer device : Non-electrical input responsive (e.g., light responsive imager, input programmed by size of storage sites for use as a read-only memory, etc.) : 2-dimensional area architecture : Sensors not overlaid by electrode (e.g., photodiodes) : Si x Ge 1-x)

Patent 5731602: Laser diode package with anti-reflection and anti-scattering coating
(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 5731603: Lateral IGBT
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Combined with field effect transistor : With extended latchup current level (e.g., COMFET device) : Lateral structure, i.e., current flow parallel to main device surface : Enhancement mode (e.g., so-called SITs))

Patent 5731604: Semiconductor device MOS gated
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : With extended latchup current level (e.g., gate turn off "GTO" device) : Gate region or electrode feature : External gate terminal structure or composition)

Patent 5731605: Turn-off power semiconductor component with a particular ballast resistor structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) : Emitter region feature : Multi-emitter region (e.g., emitter geometry or emitter ballast resistor) : External gate terminal structure or composition)

Patent 5731606: Reliable edge cell array design
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : GATE ARRAYS : Between different group IV-VI or II-VI or III-V compounds other than GaAs/GaAlAs)

Patent 5731607: Semiconductor integrated circuit device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Junction field effect transistor (unipolar transistor) : Junction field effect transistor in integrated circuit : Microwave integrated circuit (e.g., microstrip type) : With Schottky barrier gate)

Patent 5731608: One transistor ferroelectric memory cell and method of making the same
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With ferroelectric material layer : Imaging array)

Patent 5731609: MOS random access memory having array of trench type one-capacitor/one-transistor memory cells
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate capacitor or insulated gate transistor combined with capacitor (e.g., dynamic memory cell) : Capacitor in trench : Vertical transistor : Si x Ge 1-x)

Patent 5731610: Semiconductor device having improved contacts to a thin conductive layer
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Insulated gate capacitor or insulated gate transistor combined with capacitor (e.g., dynamic memory cell) : Stacked capacitor : With increased effective electrode surface area (e.g., tortuous path, corrugated, or textured electrodes) : With capacitor electrodes connection portion located centrally thereof (e.g., fin electrodes with central post))

Patent 5731611: MOSFET transistor cell manufactured with selectively implanted punch through prevent and threshold reductoin zones
(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) : Plural sections connected in parallel (e.g., power MOSFET) : With complementary field effect transistor)

Patent 5731612: Insulated gate field effect transistor structure having a unilateral source extension
(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 : With means to prevent sub-surface currents, or with non-uniform channel doping : All contacts on same surface (e.g., lateral structure))

Patent 5731613: Semiconductor device having a monocrystalline layer composed of carbon, oxygen, hydrogen and nitrogen atoms
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : Single crystal semiconductor layer on insulating substrate (SOI) : Insulated electrode device is combined with diverse type device (e.g., complementary MOSFETs, FET with resistor, etc.) : All contacts on same surface (e.g., lateral structure))

Patent 5731614: Electrostatic protective device having elongate gate electrodes in a ladder structure
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : FIELD EFFECT DEVICE : Having insulated electrode (e.g., MOSFET, MOS diode) : With overvoltage protective means : Substrate is single crystal insulator (e.g., sapphire or spinel))

Patent 5731617: Semiconductor device having bipolar transistor and field effect transistor
(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 : Complementary insulated gate field effect transistors : Combined with bipolar transistor : For operation as bipolar or punchthrough element)

Patent 5731618: Semiconductor device and method of manufacturing thereof
(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 : Complementary insulated gate field effect transistors : With means to prevent latchup or parasitic conduction channels : For operation as bipolar or punchthrough element)

Patent 5731619: CMOS structure with FETS having isolated wells with merged depletions and methods of making same
(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 : Complementary insulated gate field effect transistors : With pn junction to collect injected minority carriers to prevent parasitic bipolar transistor action : Dielectric isolation means (e.g., dielectric layer in vertical grooves) : As thin film structure (e.g., polysilicon resistor))

Patent 5731620: Semiconductor device with reduced parasitic substrate capacitance
(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 means to reduce parasitic capacitance : Multiple polysilicon layers)

Patent 5731621: Three band and four band multispectral structures having two simultaneous signal outputs
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) : Electromagnetic or particle radiation : Light : With different sensor portions responsive to different wavelengths (e.g., color imager) : Antireflection coating)

Patent 5731622: Semiconductor photodiode
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) : Electromagnetic or particle radiation : Light : Schottky barrier (e.g., a transparent Schottky metallic layer or a Schottky barrier containing at least one of indium or tin (e.g., SnO 2 , indium tin oxide)) : With edge protection, e.g., doped guard ring or mesa structure : Combined with heavily doped channel stop portion)

Patent 5731623: Bipolar device with trench structure
(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 : With bipolar transistor structure : With active junction abutting groove (e.g., "walled emitter"))

Patent 5731624: Integrated pad and fuse structure for planar copper metallurgy
(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) : Sides of isolated semiconductor islands along major crystal planes (e.g., (111), (100) planes, etc.))

Patent 5731625: Bipolar variable resistance device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : BIPOLAR TRANSISTOR STRUCTURE : With multiple separately connected emitter, collector, or base regions in same transistor structure)

Patent 5731626: Process for controlling dopant diffusion in a semiconductor layer and semiconductor layer formed thereby
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH SPECIFIED DOPANT (E.G., PLURAL DOPANTS OF SAME CONDUCTIVITY IN SAME REGION) : With means to limit area of breakdown (e.g., guard ring having higher breakdown voltage))

Patent 5731627: Power semiconductor devices having overlapping floating field plates for improving breakdown voltage capability
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH MEANS TO CONTROL SURFACE EFFECTS : With inversion-preventing shield electrode : Major crystal plane or axis other than (100), (110), or (111) (e.g., (731) axis, crystal plane several degrees from (100) toward (011), etc.))

Patent 5731628: Semiconductor device having element with high breakdown voltage
(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 5731629: Personal memory devices carried by an individual which can be read and written to
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Smart (e.g., credit) card package : Of insulating material)

Patent 5731630: Tape carrier for increasing the number of terminals between the tape carrier and a substrate
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Insulating material : Multiple contact layers separated from each other by insulator means and forming part of a package or housing (e.g., plural ceramic layer package))

Patent 5731631: Semiconductor device with tape automated bonding element
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : Insulating material : Of insulating material other than ceramic : Housing entirely of metal except for feedthrough structure)

Patent 5731632: Semiconductor device having a plastic package
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : With provision for cooling the housing or its contents : Isolation of cooling means (e.g., heat sink) by an electrically insulating element (e.g., spacer) : Cryogenic liquid coolant)

Patent 5731633: Thin multichip module
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : HOUSING OR PACKAGE : For plural devices : With gas coolant)

Patent 5731634: Semiconductor device having a metal film formed in a groove in an insulating film
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Layered : Planarized to top of insulating layer : Pin grid type)

Patent 5731635: Semiconductor device having a carrier and a multilayer metallization
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Of specified material other than unalloyed aluminum : Layered : At least one layer of molybdenum, titanium, or tungsten : Separating insulating layer is laminate or composite of plural insulating materials (e.g., silicon oxide on silicon nitride, silicon oxynitride))

Patent 5731636: Semiconductor bonding package
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : COMBINED WITH ELECTRICAL CONTACT OR LEAD : Wire contact, lead, or bond : With adhesive means)

Patent 5731637: Semiconductor device
(ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) : WITH SPECIFIED DOPANT (E.G., PLURAL DOPANTS OF SAME CONDUCTIVITY IN SAME REGION) : Deep level dopant : With specified distribution (e.g., laterally localized, with specified concentration distribution or gradient) : With current ballasting means (e.g., emitter ballasting resistors or base current ballasting means))

Patent 5731638: Starter motor having a two stage magnetic switch and current limiting member
(PRIME-MOVER DYNAMO PLANTS : ELECTRIC CONTROL : Electric-starting motor : Automatic starters including centrifugally operated contactors)

Patent 5731639: Apparatus for connecting power sources with plug-in unit
(ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS : PLURAL LOAD CIRCUIT SYSTEMS : Selectively connected or controlled load circuits : Selective series-parallel connections)

Patent 5731640: Converter for changing rotary movement to axial movement
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Linear : Piezoelectric element shape)

Patent 5731641: Linear motor driven vertical lift stage
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Linear : Piezoelectric element shape)

Patent 5731642: Magnetic circuit structure in rotary actuator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Linear : Fixed and movable wound elements : Sphere or hemisphere)

Patent 5731643: Stator cooling assembly
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Cooling or fluid contact : With control means : Claw-tooth and printed circuit components)

Patent 5731644: Integral cooling air diffuser for electromechanical apparatus
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Cooling or fluid contact : Circulation : Claw-tooth and printed circuit components)

Patent 5731645: Integrated motor/generator/flywheel utilizing a solid steel rotor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Inertia or fly-wheel device : Motion responsive (e.g., centrifugal switches))

Patent 5731646: Heat-protected motor housing with metal casing and plastic plate
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Mechanical shields or protectors : Housings, windows or covers : Impulse coupling)

Patent 5731647: Hybrid-energized synchronous electric machine
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Plural rotary elements : Motor-generator sets)

Patent 5731648: Laminated rotor core for mounting permanent ring magnets
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Core features : Squirrel cage)

Patent 5731649: Electric motor or generator
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Windings and core structure : Core features : Squirrel cage)

Patent 5731650: Dynamoelectric machine with brush wear sensor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Current collectors : Fixed structure : Brushes : Slidable brush)

Patent 5731651: Rotor for an electromotive tool motor
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : Rotor structure : Frame and core type)

Patent 5731652: Power source unit employing piezoelectric transformer frequency-controlled and voltage-controlled to operate at a maximum
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : NON-DYNAMOELECTRIC : Piezoelectric elements and devices : Electrical systems : Input circuit for simultaneous electrical and mechanical output from piezoelectric element : Grating or reflector in wave path)

Patent 5731653: Low resistance current transfer device for a circuit of a brushless exciter
(ELECTRICAL GENERATOR OR MOTOR STRUCTURE : DYNAMOELECTRIC : Rotary : With other elements : Electric circuit elements : Impedance devices : Distributor or timer (e.g., ignition magnetos))

Patent 5731654: Spark plug having a creepage spark gap
(ELECTRIC LAMP AND DISCHARGE DEVICES : SPARK PLUGS : Non-conducting material in or adjacent gap (e.g., restricts spark) : Non-shortest line spark and surface spark type : Spark plugs with semiconductive material at the gap : With shield or additional electrode)

Patent 5731655: Spark plug with 360 degree firing tip
(ELECTRIC LAMP AND DISCHARGE DEVICES : SPARK PLUGS : Electrodes are pure figures of revolution about plug axis : Non-shortest line spark and surface spark type)

Patent 5731656: Double-based lamp and socket therefor, and lamp base construction
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH ENVELOPE : Having base and connector : Plural interelectrode discharge spaces)

Patent 5731657: Electron gun with cylindrical electrodes arrangement
(ELECTRIC LAMP AND DISCHARGE DEVICES : CATHODE RAY TUBE : Plural beam generating or control : With focusing and accelerating electrodes : With studs)

Patent 5731658: Ultraviolet binder for phosphor fluorescent light box
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Phosphor on envelope wall : Including particular phosphor : Nonplanar cathode)

Patent 5731659: Fluorescent lamp with phosphor coating of multiple layers
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : With gaseous discharge medium : Phosphor on envelope wall : Including particular phosphor : Plural : Brillouin beam type)

Patent 5731660: Flat panel display spacer structure
(ELECTRIC LAMP AND DISCHARGE DEVICES : WITH LUMINESCENT SOLID OR LIQUID MATERIAL : Vacuum-type tube : Phosphor on envelope wall)

 

Back to EveryPatent.com