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 5170
 
 
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2982
 
 
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2687
 
 
 
C07D HETEROCYCLIC COMPOUNDS 20135
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1787
 
 
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 1758
 
 
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1778
 
 
 
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 1353
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 12117
 
 
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 11249

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0198,138 POLYESTER RESIN COMPOSITION AND MOLDINGAug 20, 15Jul 13, 17[C08L]
2017/0117,588 ADDITIVE FOR NON-AQUEOUS ELECTROLYTE, NON-AQUEOUS ELECTROLYTE, AND POWER STORAGE DEVICEMar 24, 15Apr 27, 17[H01G, H01M]
2017/0107,312 WATER-ABSORBENT RESIN AND ABSORBENT ARTICLENov 04, 14Apr 20, 17[C08J, A61L, C08F, A61F]
2017/0107,313 METHOD OF MANUFACTURING WATER-ABSORBENT RESIN, WATER-ABSORBENT RESIN, WATER-ABSORBING AGENT AND ABSORBENT ARTICLENov 04, 14Apr 20, 17[C08J, A61L, C08F, A61F, C08K]
2017/0096,527 ALKYLENE OXIDE POLYMER PRODUCTION METHODFeb 12, 15Apr 06, 17[C08G]
2017/0098,859 SOLVENT FOR ELECTROLYTIC SOLUTION FOR USE IN ELECTROCHEMICAL DEVICESApr 16, 14Apr 06, 17[H01M]
2017/0081,443 METHOD FOR PRODUCING WATER-ABSORBENT RESIN PARTICLEMar 12, 15Mar 23, 17[C08J, A61L, C08F]
2017/0047,267 HEAT DISSIPATION FILM, DISPERSION LIQUID FOR HEAT EMISSION LAYER, METHOD FOR PRODUCING HEAT DISSIPATION FILM AND SOLAR CELLApr 16, 14Feb 16, 17[F28F, H01L]
2017/0025,230 BINDER FOR ELECTRIC DOUBLE-LAYER CAPACITOR ELECTRODE, ELECTRIC DOUBLE-LAYER CAPACITOR ELECTRODE COMPRISING SAME BINDER, ELECTRIC DOUBLE-LAYER CAPACITOR USING SAME ELECTRODE, AND ELECTRIC APPARATUSMar 19, 15Jan 26, 17[C08F, H01G]
2016/0367,465 HYDROPHILIC THICKENER AND COSMETIC COMPOSITIONJun 06, 14Dec 22, 16[C08F, A61Q, A61K]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9695298 Chlorosulfonated polyethylene latexApr 02, 12Jul 04, 17[C08J, C09J, C09D, C08K, C08L]
9670292 Apparatus for producing water-absorbent resinJan 30, 14Jun 06, 17[C08F, B01J]
9657127 Composition for soft materials, and soft materialDec 04, 13May 23, 17[C08F, C08B, C08L]
9644165 Lubricating resin compositionJul 26, 13May 09, 17[A61L, C08G, C08L, C10M]
9646773 Electrolyte solution for capacitors, electric double layer capacitor, and lithium ion capacitorMar 06, 13May 09, 17[H01G]
9622961 Water-soluble polyalkylene oxide-modified productDec 26, 11Apr 18, 17[C08G, A61Q, A61K]
9605094 Method for producing water absorbent resin particlesSep 24, 12Mar 28, 17[C08F]
9605107 Modified polyalkylene oxideJul 05, 13Mar 28, 17[C08G, C09D, A61Q, A61K]
9583272 Electrolyte solution for electrochemical devices, aluminum electrolytic capacitor, and electric double layer capacitorFeb 08, 13Feb 28, 17[H01G]
9574154 Sheet whose lubricity is maintained under wet conditionsJan 07, 11Feb 21, 17[C08G, C09D, B05D, C10M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0239,911 METHOD FOR PRODUCING COMPLEX COMPOSED OF ORGANIC NITROGEN COMPOUND AND COPPER (I) SALT OF FLUOROOXO ACIDABANJul 22, 13Aug 27, 15[C07F]
2015/0005,727 WATER-ABSORBENT SHEET STRUCTUREABANDec 13, 12Jan 01, 15[A61L, B32B, A61F]
8900707 Method for producing water-absorbent resin particles and water-absorbent resin particlesWithdrawnNov 24, 10Dec 02, 14[B32B]
2014/0221,548 COMPOSITE MATERIALABANAug 22, 12Aug 07, 14[C08K, C08L]
2014/0142,269 CARBOXYL GROUP-CONTAINING POLYMER COMPOSITIONABANJun 27, 12May 22, 14[C08F]
2014/0100,327 (METH)ACRYLIC ACID-BASED COPOLYMERABANApr 25, 12Apr 10, 14[C08F, C08K]
2014/0094,570 METHOD FOR PRODUCING A WATER-ABSORBENT RESINABANDec 09, 13Apr 03, 14[B01J]
2014/0031,203 WATER-ABSORBENT RESIN, ABSORBENT BODY AND ABSORBENT ARTICLEABANApr 19, 12Jan 30, 14[A61L]
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]
2013/0330,566 METHOD FOR PRODUCING WATER-ABSORBENT RESINABANMar 14, 12Dec 12, 13[C08F]
2013/0273,351 METHOD FOR PRODUCING WATER-ABSORBENT RESINABANNov 17, 11Oct 17, 13[B01J]
2013/0158,495 WATER ABSORBENT RESIN AND METHOD FOR PRODUCING SAMEABANSep 02, 11Jun 20, 13[A61F, B01J]
2013/0130,017 WATER-ABSORBING RESINABANAug 03, 11May 23, 13[A61L, B32B, B01J]
2013/0046,263 WATER-ABSORBENT SHEET STRUCTUREABANApr 19, 11Feb 21, 13[A61F]
2013/0040,868 RESIN COMPOSITION WHOSE LUBRICITY UNDER WET CONDITIONS IS MAINTAINEDABANApr 15, 11Feb 14, 13[C10M]
2013/0018,349 WATER-ABSORBENT SHEET STRUCTUREABANMar 10, 11Jan 17, 13[A61F]
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]
2012/0298,913 WATER-ABSORBENT RESIN PARTICLE, METHOD FOR PRODUCTION THEREOF, AND ABSORBENT MATERIAL USING THE SAMEABANAug 07, 12Nov 29, 12[C08L]

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