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 5365
 
 
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 3281
 
 
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2990
 
 
 
C07D HETEROCYCLIC COMPOUNDS 20143
 
 
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 2057
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1992
 
 
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1978
 
 
 
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 1655
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 13129
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 12339

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0349,506 PROPANE PRODUCTION METHOD AND PROPANE PRODUCTION APPARATUSJan 21, 16Dec 07, 17[C07C]
2017/0349,711 METHOD FOR PRODUCING PSEUDOPOLYROTAXANE AQUEOUS DISPERSIONJan 08, 16Dec 07, 17[C08J, C08G, C08L]
2017/0342,258 AQUEOUS DISPERSION OF a-OLEFIN-(METH)ACRYLIC ACID ESTER-BASED RUBBER PARTICLES, METHOD FOR PREPARING SAME, MOLDED BODY, AND RESORCIN-FORMALIN-LATEX ADHESIVENov 18, 15Nov 30, 17[C08J, C09J, C08K, C08L]
2017/0335,461 OXIDE PRECURSOR, OXIDE LAYER, SEMICONDUCTOR ELEMENT, AND ELECTRONIC DEVICE, AND METHOD OF PRODUCING OXIDE LAYER AND METHOD OF PRODUCING SEMICONDUCTOR ELEMENTOct 05, 15Nov 23, 17[C23C, H01L]
2017/0326,398 DRAG REDUCER AND FIRE-EXTINGUISHING AGENTDec 02, 15Nov 16, 17[A62D, C08L]
2017/0321,017 AQUEOUS DISPERSION OF POLYESTER-TYPE ELASTIC MATERIAL, AND METHOD FOR PRODUCING SAMEOct 28, 15Nov 09, 17[C08J, C09D, D06M, C08L]
2017/0291,976 CARBOXYL-GROUP-CONTAINING POLYMER COMPOSITIONOct 07, 15Oct 12, 17[C08F, C08K, C08L]
2017/0253,733 POLYOLEFIN RESIN COMPOSITION, MOLDING, AND POLYOLEFIN RESIN FILMAug 18, 15Sep 07, 17[C08J, C08L]
2017/0226,374 RESIN COMPOSITION FOR FORMING HYDROPHILIC COATING FILMSep 11, 15Aug 10, 17[C09D]
2017/0218,096 WATER-ABSORBENT RESIN AND ABSORBENT ARTICLENov 04, 14Aug 03, 17[A61L, C08F, B01J]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9862656 Method for producing paraffinsSep 25, 12Jan 09, 18[C07C]
9842916 Oxide semiconductor layer and production method therefor, oxide semiconductor precursor, oxide semiconductor layer, semiconductor element, and electronic deviceDec 13, 16Dec 12, 17[H01L]
9795557 Cosmetic compositionMar 13, 13Oct 24, 17[A61Q, A61K]
9783665 Polyolefin-based resin compositionApr 24, 14Oct 10, 17[C08G, C08L]
9783717 Addition-curable silicone resin composition, addition-curable silicone resin cured product, and sealed optical semiconductor elementJun 27, 14Oct 10, 17[C09K, C09J, C08G, C09D, H01L, C08L]
9763869 Hydrophilic thickener and cosmetic compositionJun 06, 14Sep 19, 17[C08F, A61Q, A61K]
9745392 Method for producing water-absorbent resin particleMar 12, 15Aug 29, 17[C08J, A61L, C08F]
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]
9644165 Lubricating resin compositionJul 26, 13May 09, 17[A61L, C08G, C08L, 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]
2015/0080,539 POLYMERIZATION REACTOR AND METHOD FOR PRODUCING WATER ABSORBENT RESINABANMar 25, 13Mar 19, 15[C08F, B01J]
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]

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