SUMITOMO SEIKA CHEMICALS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3879
 
 
 
C07D HETEROCYCLIC COMPOUNDS 21122
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1877
 
 
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1788
 
 
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1584
 
 
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1474
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 12108
 
 
 
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 1133
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM11141
 
 
 
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 10121

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0076,389 ELECTROLYTE SOLUTION FOR ELECTROCHEMICAL DEVICES, ALUMINUM ELECTROLYTIC CAPACITOR, AND ELECTRIC DOUBLE LAYER CAPACITORFeb 08, 13Mar 19, 15[H01G]
2015/0080,539 POLYMERIZATION REACTOR AND METHOD FOR PRODUCING WATER ABSORBENT RESINMar 25, 13Mar 19, 15[C08F, B01J]
2015/0072,251 ELECTROLYTE SOLUTION FOR LITHIUM AIR BATTERIES, AND LITHIUM AIR BATTERYMar 06, 13Mar 12, 15[H01M]
2015/0049,418 ELECTROLYTE SOLUTION FOR CAPACITORS, ELECTRIC DOUBLE LAYER CAPACITOR, AND LITHIUM ION CAPACITORMar 06, 13Feb 19, 15[H01G]
2015/0030,649 COSMETIC COMPOSITIONMar 13, 13Jan 29, 15[A61Q, A61K]
2015/0005,727 WATER-ABSORBENT SHEET STRUCTUREDec 13, 12Jan 01, 15[A61L, B32B, A61F]
2014/0378,721 METHOD FOR PRODUCING PARAFFINS AND APPARATUS FOR PRODUCING PARAFFINSSep 25, 12Dec 25, 14[C07C]
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]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,981,122 Method for producing optically active N-monoalkyl-3-hydroxy-3-arylpropylamine compoundMar 23, 11Mar 17, 15[C07D, C07B]
8,981,176 Water-absorbing resin compoundNov 30, 10Mar 17, 15[A61L, B32B, A61F, C08L]
8,969,497 Method for producing water-absorbent resin, and water-absorbent resin obtained by sameAug 23, 12Mar 03, 15[C08J, A61L, C08F, B01J]
8,957,150 Aqueous dispersion of polyamide-based rubber-like elastomer and process for manufacturing sameMay 18, 12Feb 17, 15[C08J, C08G, C08F, C09D, C08L]
8,951,637 Method for producing water-absorbent resin particles and water-absorbent resin particlesNov 24, 10Feb 10, 15[B32B]
8,940,845 Method for producing water-absorbing resinApr 19, 12Jan 27, 15[C08J, A61L, C08F, B01J, C08K, C08L]
8,912,264 Aqueous ethylene/vinyl alcohol copolymer dispersionNov 25, 05Dec 16, 14[C08K, C08L]
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]
8,883,944 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]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8,900,707 Method for producing water-absorbent resin particles and water-absorbent resin particlesWithdrawnNov 24, 10Dec 02, 14[B32B]
2014/0012,018 SULFOLANE COMPOSITIONABANDec 27, 11Jan 09, 14[C09K]
2013/0345,434 METHOD FOR PRODUCING 1,2-BENZISOTHIAZOL-3-ONE COMPOUNDABANFeb 28, 12Dec 26, 13[C07D, C07C]
2012/0328,861 WATER-ABSORBENT SHEET STRUCTUREABANDec 27, 10Dec 27, 12[B32B]
2012/0328,862 WATER-ABSORBENT SHEET STRUCTUREABANDec 27, 10Dec 27, 12[B32B, A61F]
2012/0288,701 WATER-ABSORBENT SHEET STRUCTUREABANDec 27, 10Nov 15, 12[B32B, A61F]
2012/0136,175 PROCESS FOR PREPARATION OF ALKYL SULFONE COMPOUNDSABANJun 03, 10May 31, 12[C07C]
2012/0115,038 GELLING AGENT FOR ELECTROLYTE SOLUTION FOR ALKALINE BATTERYABANJul 12, 10May 10, 12[H01M, C08L]
2012/0095,179 PYRROLINE-BASED NITROXIDE POLYMER AND BATTERY USING SAMEABANMar 05, 10Apr 19, 12[C08F, H01M]
2011/0306,797 SULFONE COMPOUNDABANOct 14, 09Dec 15, 11[C07C]
2011/0133,074 ANALYTICAL METHOD AND ANALYTICAL SYSTEMABANJul 22, 09Jun 09, 11[H01J, B01D]
2011/0111,199 WATER-ABSORBENT SHEET COMPOSITIONABANJun 29, 09May 12, 11[B32B]
2011/0105,709 WATER-SOLUBLE ACRYLIC ACID SALT POLYMER AND GELLING BASEABANJun 05, 09May 05, 11[C08F]
2011/0021,642 WATER-SOLUBLE ACRYLIC ACID SALT POLYMER AND GELLING BASEABANJun 05, 09Jan 27, 11[C08F, A61K]
2010/0331,802 WATER-ABSORBENT RESIN SUITABLE FOR USE IN HYGIENIC MATERIALSABANAug 14, 08Dec 30, 10[A61L]
2010/0324,299 METHOD FOR PURIFICATION OF PYRIDINE, AND METHOD FOR PRODUCTION OF CHLORINATED PYRIDINEABANMar 23, 09Dec 23, 10[C07D]
2010/0294,130 METHOD AND APPARATUS FOR SEPARATING HYDROGEN GASABANOct 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 SAMEABANJul 08, 10Oct 28, 10[C08F, B01J]
2010/0256,308 PROCESS FOR THE PRODUCTION OF WATER-ABSORBING RESINS AND WATER-ABSORBING RESINS OBTAINED BY THE PROCESSABANSep 09, 08Oct 07, 10[C08G]
2010/0234,499 AQUEOUS DISPERSION OF POLYAMIDE RUBBER ELASTIC BODY AND METHOD OF PRODUCING THE SAMEABANJul 10, 07Sep 16, 10[C08G, C08K, C08L]

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