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 3575
 
 
 
C07D HETEROCYCLIC COMPOUNDS 21125
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1674
 
 
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1482
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM13138
 
 
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1388
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 11114
 
 
 
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 10115
 
 
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1077
 
 
 
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 831

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
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]
2014/0127,510 WATER ABSORBING RESIN PARTICLES, METHOD FOR MANUFACTURING WATER ABSORBING RESIN PARTICLES, ABSORPTION BODY, ABSORPTIVE ARTICLE, AND WATER-SEALING MATERIALJul 23, 12May 08, 14[B01J]
2014/0120,349 POLYALKYLENE OXIDE PARTICLES AND PRODUCTION METHOD FOR THE SAMEMay 21, 12May 01, 14[C08G]
2014/0106,171 POLYALKYLENE OXIDE PARTICLES AND PRODUCTION METHOD FOR THE SAMEMay 21, 12Apr 17, 14[C08G]
2014/0100,327 (METH)ACRYLIC ACID-BASED COPOLYMERApr 25, 12Apr 10, 14[C08F, C08K]
2014/0094,570 METHOD FOR PRODUCING A WATER-ABSORBENT RESINDec 09, 13Apr 03, 14[B01J]
2014/0061,532 RADICAL COMPOSITION AND BATTERY USING SAMEMar 23, 12Mar 06, 14[H01M]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,779,087 Method for producing aliphatic polycarbonateMay 06, 10Jul 15, 14[C08G]
8,722,906 (E)-N-monoalkyl-3-oxo-3-(2-thienyl) propenamine and process for producing the same and process for producing (E,Z)-N-monoalkyl-3-oxo-3-(2-thienyl) propenamineFeb 15, 12May 13, 14[C07D]
8,715,400 Double vacuum pump apparatus, gas purification system provided with double vacuum pump apparatus, and exhaust gas vibration suppressing device in double vacuum pump apparatusDec 22, 10May 06, 14[F04B, B01D]
8,690,972 Hydrogen production system and reforming apparatusJul 07, 05Apr 08, 14[B01J]
8,664,313 Method for producing aqueous ethylene/vinyl alcohol based copolymer dispersionMay 13, 05Mar 04, 14[C08F, C08K, C08L]
8,664,404 Method for producing 3-halo-1,2-benzisothiazolesMar 14, 11Mar 04, 14[C07D]
8,629,230 Method for manufacturing carboxyl group-containing water-soluble polymerJul 27, 10Jan 14, 14[C08F]
8,546,491 Polyolefin-based composite resin spherical particles, coating composition, and coated objectSep 02, 10Oct 01, 13[C08J, C09D, B05D, C08L]
8,540,904 Composition for ultraviolet absorbent substance and ultraviolet absorbent substance comprising sameDec 10, 10Sep 24, 13[G02B, F21V, C08K]
8,524,797 Water-absorbing resin compositionOct 24, 05Sep 03, 13[B01J, A61K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2012/0136,175 PROCESS FOR PREPARATION OF ALKYL SULFONE COMPOUNDSJun 03, 10May 31, 12[C07C]
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]
2009/0136,736 WATER-ABSORBING RESIN SUITABLE FOR ABSORBING VISCOUS LIQUIDS CONTAINING HIGH-MOLECULAR COMPOUND, AND ABSORBENT AND ABSORBENT ARTICLE EACH COMPRISING THE SAMEJan 15, 09May 28, 09[C08F, B32B]
2009/0082,590 4-Mercaptophenyl ester of acetic acid and process for producing the sameApr 26, 06Mar 26, 09[C07C]
2009/0036,644 METHOD OF REMOVING RESIDUAL ETHYLENE OXIDE MONOMER IN POLYETHYLENE OXIDEApr 12, 06Feb 05, 09[C08G]

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