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 5372
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 3383
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3090
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2188
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 2181
 
  
 
C07D HETEROCYCLIC COMPOUNDS 20142
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 2058
 
  
 
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 1556
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 13125
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 12350

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0041,087 ROTATING ELECTRIC MACHINE, COIL, AND COIL DEVICEFeb 05, 16Feb 08, 18[H02K]
2018/0030,203 THERMALLY DECOMPOSABLE BINDERSep 02, 15Feb 01, 18[C08G, C08K]
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, C08L, C08K]
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]
2017/0210,831 WATER-ABSORBENT RESIN AND METHOD OF PRODUCING WATER-ABSORBENT RESINNov 04, 14Jul 27, 17[C08F, B01J, A61L]
2017/0117,588 ADDITIVE FOR NON-AQUEOUS ELECTROLYTE, NON-AQUEOUS ELECTROLYTE, AND POWER STORAGE DEVICEMar 24, 15Apr 27, 17[H01M, H01G]
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]
2017/0047,267 HEAT DISSIPATION FILM, DISPERSION LIQUID FOR HEAT EMISSION LAYER, METHOD FOR PRODUCING HEAT DISSIPATION FILM AND SOLAR CELLApr 16, 14Feb 16, 17[H01L, F28F]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9896528 Carboxyl-group-containing polymer compositionOct 07, 15Feb 20, 18[C08F, C08L, C08K]
D810020 Molded coilJul 20, 15Feb 13, 18[1302]
9878304 Method of manufacturing water-absorbent resin compositionJan 30, 14Jan 30, 18[B01J, C08L]
9873755 Method of manufacturing water-absorbent resin, water-absorbent resin, water-absorbing agent and absorbent articleNov 04, 14Jan 23, 18[C08J, C08F, A61F, A61L, C08K]
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[A61K, A61Q]
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, H01L, C08G, C09D, C08L]
9763869 Hydrophilic thickener and cosmetic compositionJun 06, 14Sep 19, 17[A61K, C08F, A61Q]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0272,852 LUBRICATING RESIN COMPOSITIONAbandonedOct 28, 13Oct 01, 15[A61K]
2015/0239,911 METHOD FOR PRODUCING COMPLEX COMPOSED OF ORGANIC NITROGEN COMPOUND AND COPPER (I) SALT OF FLUOROOXO ACIDAbandonedJul 22, 13Aug 27, 15[C07F]
2015/0080,539 POLYMERIZATION REACTOR AND METHOD FOR PRODUCING WATER ABSORBENT RESINAbandonedMar 25, 13Mar 19, 15[C08F, B01J]
2015/0005,727 WATER-ABSORBENT SHEET STRUCTUREAbandonedDec 13, 12Jan 01, 15[A61F, A61L, B32B]
8900707 Method for producing water-absorbent resin particles and water-absorbent resin particlesWithdrawnNov 24, 10Dec 02, 14[B32B]
2014/0221,548 COMPOSITE MATERIALAbandonedAug 22, 12Aug 07, 14[C08L, C08K]
2014/0142,269 CARBOXYL GROUP-CONTAINING POLYMER COMPOSITIONAbandonedJun 27, 12May 22, 14[C08F]
2014/0100,327 (METH)ACRYLIC ACID-BASED COPOLYMERAbandonedApr 25, 12Apr 10, 14[C08F, C08K]
2014/0094,570 METHOD FOR PRODUCING A WATER-ABSORBENT RESINAbandonedDec 09, 13Apr 03, 14[B01J]
2014/0031,203 WATER-ABSORBENT RESIN, ABSORBENT BODY AND ABSORBENT ARTICLEAbandonedApr 19, 12Jan 30, 14[A61L]
2014/0012,018 SULFOLANE COMPOSITIONAbandonedDec 27, 11Jan 09, 14[C09K]
2013/0345,434 METHOD FOR PRODUCING 1,2-BENZISOTHIAZOL-3-ONE COMPOUNDAbandonedFeb 28, 12Dec 26, 13[C07D, C07C]
2013/0330,566 METHOD FOR PRODUCING WATER-ABSORBENT RESINAbandonedMar 14, 12Dec 12, 13[C08F]
2013/0273,351 METHOD FOR PRODUCING WATER-ABSORBENT RESINAbandonedNov 17, 11Oct 17, 13[B01J]
8480770 Hydrogen production system and method of controlling flow rate of offgas in the systemExpiredOct 09, 12Jul 09, 13[C10J, B01J]
2013/0158,495 WATER ABSORBENT RESIN AND METHOD FOR PRODUCING SAMEAbandonedSep 02, 11Jun 20, 13[A61F, B01J]
2013/0130,017 WATER-ABSORBING RESINAbandonedAug 03, 11May 23, 13[B01J, A61L, B32B]
2013/0046,263 WATER-ABSORBENT SHEET STRUCTUREAbandonedApr 19, 11Feb 21, 13[A61F]
2013/0040,868 RESIN COMPOSITION WHOSE LUBRICITY UNDER WET CONDITIONS IS MAINTAINEDAbandonedApr 15, 11Feb 14, 13[C10M]
2013/0018,349 WATER-ABSORBENT SHEET STRUCTUREAbandonedMar 10, 11Jan 17, 13[A61F]

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