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 4769
 
 
 
C07D HETEROCYCLIC COMPOUNDS 21120
 
 
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2182
 
 
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2186
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1879
 
 
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1580
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 13115
 
 
 
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 1240
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM11135
 
 
 
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
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]
2015/0272,852 LUBRICATING RESIN COMPOSITIONOct 28, 13Oct 01, 15[A61K]
2015/0280,237 BINDER FOR USE IN POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY CONTAINING SAID BINDER, LITHIUM ION SECONDARY BATTERY USING SAID POSITIVE ELECTRODE, AND ELECTRICAL MACHINERY AND APPARATUSOct 01, 13Oct 01, 15[C08F, H01M]
2015/0239,911 METHOD FOR PRODUCING COMPLEX COMPOSED OF ORGANIC NITROGEN COMPOUND AND COPPER (I) SALT OF FLUOROOXO ACIDJul 22, 13Aug 27, 15[C07F]
2015/0240,036 METHOD FOR MANUFACTURING POLYROTAXANESep 09, 13Aug 27, 15[C08G]
2015/0216,740 WATER-ABSORBENT RESIN, WATER-ABSORBENT MATERIAL, AND WATER-ABSORBENT ARTICLEAug 01, 13Aug 06, 15[C08F, A61F, C08L]
2015/0183,920 MODIFIED POLYALKYLENE OXIDEJul 05, 13Jul 02, 15[C08G, A61Q, A61K]
2015/0184,106 LUBRICATING RESIN COMPOSITIONJul 26, 13Jul 02, 15[C10M]
2015/0157,549 VISCOUS COMPOSITIONAug 01, 13Jun 11, 15[A61Q, A61K]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
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]
9,205,104 Hydrophilic modified polyrotaxane compositionDec 05, 11Dec 08, 15[C08G, C08B, A61K, C08L]
9,199,218 Water absorbing resin particles, method for manufacturing water absorbing resin particles, absorption body, absorptive article, and water-sealing materialJul 23, 12Dec 01, 15[C08J, A61L, C08F, B01J]
9,199,901 Method for producing medium-molecular-weight polyalkyleneoxideNov 22, 12Dec 01, 15[C08G, C07C]
9,187,580 Resin particle having many recesses on the surface thereofMay 11, 09Nov 17, 15[G02B, C08F, A61Q, B32B, A61K]
9,181,400 Silicone resin composition, cured silicone resin, and sealed optical semiconductor elementOct 16, 13Nov 10, 15[C08G, H01L]

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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]
2014/0094,570 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]
2013/0046,263 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]
8,020,458 Sample introducing systemExpiredMar 30, 07Sep 20, 11[G01N]
2011/0151,228 WATER-ABSORBENT SHEET COMPOSITIONABANJun 29, 09Jun 23, 11[B32B]
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]

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