SUMITOMO SEIKA CHEMICALS CO., LTD.

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3678
 
 
 
C07D HETEROCYCLIC COMPOUNDS 22121
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1875
 
 
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1594
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM14134
 
 
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1483
 
 
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1373
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 12113
 
 
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 10119
 
 
 
A61L METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES 835

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0343,341 PURIFICATION METHOD AND PURIFICATION SYSTEM FOR PROPANEOct 03, 12Nov 20, 14[C07C]
2014/0251,426 VAPOR BARRIER FILM, DISPERSION FOR VAPOR BARRIER FILM, METHOD FOR PRODUCING VAPOR BARRIER FILM, SOLAR CELL BACK SHEET, AND SOLAR CELLAug 21, 12Sep 11, 14[H01L]
2014/0243,478 METHOD FOR PRODUCING WATER ABSORBENT RESIN PARTICLESSep 24, 12Aug 28, 14[C08F]
2014/0221,548 COMPOSITE MATERIALAug 22, 12Aug 07, 14[C08K, C08L]
2014/0221,551 AQUEOUS DISPERSION OF POLYAMIDE-BASED RUBBER-LIKE ELASTOMER AND PROCESS FOR MANUFACTURING SAMEMay 18, 12Aug 07, 14[C08L]
2014/0199,601 ADDITIVE FOR NONAQUEOUS ELECTROLYTE, NONAQUEOUS ELECTROLYTE, AND ELECTRICITY STORAGE DEVICEJul 06, 12Jul 17, 14[H01G, H01M]
2014/0194,574 METHOD FOR PRODUCING WATER-ABSORBENT RESIN, AND WATER-ABSORBENT RESIN OBTAINED BY SAMEAug 23, 12Jul 10, 14[A61L, C08F, B01J]
2014/0179,886 METHOD FOR PRODUCING A WATER-ABSORBENT RESINJul 20, 11Jun 26, 14[C08F]
2014/0154,490 NON-COMBUSTIBLE FILM, DISPERSION LIQUID FOR NON-COMBUSTIBLE FILMS, METHOD FOR PRODUCING NON-COMBUSTIBLE FILM, SOLAR CELL BACK SHEET, FLEXIBLE BOARD, AND SOLAR CELLJun 07, 12Jun 05, 14[B29C, B32B, H01L, C08K, C08L]
2014/0142,269 CARBOXYL GROUP-CONTAINING POLYMER COMPOSITIONJun 27, 12May 22, 14[C08F]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,906,980 Water-soluble polymer composition, composition for forming plaster layer of skin patch, and skin patchJul 22, 10Dec 09, 14[C09K, A61M, A61K, C08K, C08L]
8,900,707 Method for producing water-absorbent resin particles and water-absorbent resin particlesNov 24, 10Dec 02, 14[B32B]
8,883,944 Method for producing a water-absorbent resinJul 20, 11Nov 11, 14[C08F]
8,859,700 Method for producing a water-absorbent resinJul 20, 11Oct 14, 14[A61L, C08F, C08L]
8,841,395 Method for producing a water-absorbent resinJul 20, 11Sep 23, 14[C08F, B01J]
8,816,040 Polymer dyeMay 02, 12Aug 26, 14[C08G]
8,802,862 1,2-benzisothiazol-3-one compound production methodFeb 22, 12Aug 12, 14[C07D]
8,802,918 Water-absorbent sheet compositionJun 29, 09Aug 12, 14[A61F]
8,785,710 Paraffin purification method and apparatusDec 21, 09Jul 22, 14[C10G, C07C, C10L]
8,779,087 Method for producing aliphatic polycarbonateMay 06, 10Jul 15, 14[C08G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2014/0012,018 SULFOLANE COMPOSITIONDec 27, 11Jan 09, 14[C09K]
2012/0136,175 PROCESS FOR PREPARATION OF ALKYL SULFONE COMPOUNDSJun 03, 10May 31, 12[C07C]
2012/0115,038 GELLING AGENT FOR ELECTROLYTE SOLUTION FOR ALKALINE BATTERYJul 12, 10May 10, 12[H01M, C08L]
2012/0095,179 PYRROLINE-BASED NITROXIDE POLYMER AND BATTERY USING SAMEMar 05, 10Apr 19, 12[C08F, H01M]
2011/0306,797 SULFONE COMPOUNDOct 14, 09Dec 15, 11[C07C]
2011/0133,074 ANALYTICAL METHOD AND ANALYTICAL SYSTEMJul 22, 09Jun 09, 11[H01J, B01D]
2011/0105,709 WATER-SOLUBLE ACRYLIC ACID SALT POLYMER AND GELLING BASEJun 05, 09May 05, 11[C08F]
2011/0021,642 WATER-SOLUBLE ACRYLIC ACID SALT POLYMER AND GELLING BASEJun 05, 09Jan 27, 11[C08F, A61K]
2010/0331,802 WATER-ABSORBENT RESIN SUITABLE FOR USE IN HYGIENIC MATERIALSAug 14, 08Dec 30, 10[A61L]
2010/0324,299 METHOD FOR PURIFICATION OF PYRIDINE, AND METHOD FOR PRODUCTION OF CHLORINATED PYRIDINEMar 23, 09Dec 23, 10[C07D]
2010/0294,130 METHOD AND APPARATUS FOR SEPARATING HYDROGEN GASOct 17, 07Nov 25, 10[B01D]
2010/0273,647 WATER-ABSORBING RESIN SUITABLE FOR ABSORBING VISCOUS LIQUIDS CONTAINING HIGH-MOLECULAR COMPOUND, AND ABSORBENT AND ABSORBENT ARTICLE EACH COMPRISING THE SAMEJul 08, 10Oct 28, 10[C08F, B01J]
2010/0256,308 PROCESS FOR THE PRODUCTION OF WATER-ABSORBING RESINS AND WATER-ABSORBING RESINS OBTAINED BY THE PROCESSSep 09, 08Oct 07, 10[C08G]
2010/0234,499 AQUEOUS DISPERSION OF POLYAMIDE RUBBER ELASTIC BODY AND METHOD OF PRODUCING THE SAMEJul 10, 07Sep 16, 10[C08G, C08K, C08L]
2010/0221,392 METHOD FOR FOAMING FOOD BY USING NITROUS OXIDE AS FOAMING AGENTJun 03, 08Sep 02, 10[A23L]
7,659,411 Process for producing 2-acylthiophene compoundDec 13, 04Feb 09, 10[A01N, C07D, A61K]
2010/0000,408 HYDROGEN GAS SEPARATION METHOD AND SEPARATION APPARATUSOct 31, 07Jan 07, 10[B01D]
2009/0250,182 Papermaking Method and Papermaking SystemOct 23, 06Oct 08, 09[D21H]
2009/0240,025 Organic Zinc Catalyst, and Process for Production of Poly(Alkylene Carbonate) Using the SameApr 10, 07Sep 24, 09[C08G]
2009/0186,542 WATER-ABSORBENT RESIN PARTICLE, METHOD FOR PRODUCTION THEREOF, AND ABSORBENT MATERIAL USING THE SAMEJul 27, 07Jul 23, 09[A61F, B32B, B01J]

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