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 4670
 
 
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2386
 
 
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2389
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2080
 
 
 
C07D HETEROCYCLIC COMPOUNDS 20123
 
 
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1682
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 13111
 
 
 
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 1245
 
 
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 1255
 
 
 
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 11119

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0181,098 OXIDE SEMICONDUCTOR LAYER AND PRODUCTION METHOD THEREFOR, OXIDE SEMICONDUCTOR PRECURSOR, OXIDE SEMICONDUCTOR LAYER, SEMICONDUCTOR ELEMENT, AND ELECTRONIC DEVICEJul 04, 14Jun 23, 16[H01L]
2016/0156,024 NEGATIVE-ELECTRODE MIXTURE FOR NON-AQUEOUS ELECTROLYTE SECONDARY CELL, NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY CELL CONTAINING SAID MIXTURE, NON-AQUEOUS ELECTROLYTE SECONDARY CELL PROVIDED WITH SAID NEGATIVE ELECTRODE, AND ELECTRICAL DEVICEMar 19, 14Jun 02, 16[H01M]
2016/0115,374 FRACTURING FLUID VISCOSITY-CONTROLLING AGENT TO BE USED IN HYDRAULIC FRACTURINGJun 09, 14Apr 28, 16[E21B, C09K]
2016/0083,670 WATER-SOLUBLE METAL WORKING OIL AGENTDec 18, 13Mar 24, 16[C10M]
2016/0051,966 METHOD OF MANUFACTURING WATER-ABSORBENT RESIN COMPOSITIONJan 30, 14Feb 25, 16[B01J]
2016/0039,950 APPARATUS FOR PRODUCING WATER-ABSORBENT RESINJan 30, 14Feb 11, 16[C08F, B01J]
2016/0030,919 PROCESS FOR PRODUCING WATER-ABSORBENT RESINNov 04, 14Feb 04, 16[A61L, B01J]
2016/0032,520 FIBER TREATMENT AGENT, CARBON FIBERS TREATED WITH FIBER TREATMENT AGENT, AND CARBON FIBER COMPOSITE MATERIAL CONTAINING SAID CARBON FIBERSMar 06, 14Feb 04, 16[C08J, D06M, C08K]
2016/0003,414 METHOD FOR PRESERVING QUALITY OF NITRIC OXIDESep 04, 13Jan 07, 16[F17C]
2015/0361,209 COMPOSITION FOR SOFT MATERIALS, AND SOFT MATERIALDec 04, 13Dec 17, 15[C08F]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,365,507 Diaryl sulfone compound, and manufacturing method for sameMar 09, 11Jun 14, 16[C07C]
9,356,292 Radical composition and battery using sameMar 23, 12May 31, 16[H01M, C08L]
9,320,660 Process for production of water-absorbing resin particles, water-absorbing resin particles, water-stopping material, and absorbent articleNov 24, 10Apr 26, 16[C08J, C08F, A61F, C08K]
9,273,156 Method for producing water-absorbent resinOct 14, 11Mar 01, 16[C08F]
9,266,972 Polyrotaxane compositionDec 05, 11Feb 23, 16[C08G, C08B, C08K, C08L]
9,238,696 Production method for powdered hydrophilic modified polyrotaxaneDec 05, 11Jan 19, 16[C08J, C08B, C08L]
9,233,519 Water-absorbent sheet structureDec 27, 10Jan 12, 16[A61F, B32B]
9,234,053 Process for producing carboxyl-containing polymer composition, and carboxyl-containing polymer compositionAug 05, 11Jan 12, 16[C08F, C08K, C08L]
9,234,097 Aqueous dispersion of polyamide rubber elastic body and method of producing the sameFeb 05, 13Jan 12, 16[C08J, C08G, C08L]
9,221,030 Method for producing water-absorbent resinMar 12, 12Dec 29, 15[A61L, C08F, B01J]

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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]
2014/0142,269 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]
2014/0012,018 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]
2013/0273,351 METHOD FOR PRODUCING WATER-ABSORBENT RESINABANNov 17, 11Oct 17, 13[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]
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]
2012/0203,191 WATER-ABSORBENT SHEETABANOct 01, 10Aug 09, 12[A61L]
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]
2012/0089,108 WATER ABSORBENT SHEETABANJun 08, 10Apr 12, 12[A61L]
2011/0306,797 SULFONE COMPOUNDABANOct 14, 09Dec 15, 11[C07C]
2011/0276,019 WATER-ABSORBENT SHEET COMPOSITIONABANJun 29, 09Nov 10, 11[A61L]
8,020,458 Sample introducing systemExpiredMar 30, 07Sep 20, 11[G01N]

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