SUMITOMO SEIKA CHEMICALS CO., LTD.

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1983
 
 
 
C07D HETEROCYCLIC COMPOUNDS 16108
 
 
 
B01D SEPARATION 686
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 6101
 
 
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 676
 
 
 
2404 MATERIALS FOR DRESSING WOUNDS, NURSING AND MEDICAL CARE615
 
 
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 577
 
 
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 567
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 471
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM4121

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0106,171 POLYALKYLENE OXIDE PARTICLES AND PRODUCTION METHOD FOR THE SAMEMay 21, 12Apr 17, 14[C08G]
2014/0100,327 (METH)ACRYLIC ACID-BASED COPOLYMERApr 25, 12Apr 10, 14[C08F, C08K]
2014/0094,570 METHOD FOR PRODUCING A WATER-ABSORBENT RESINDec 09, 13Apr 03, 14[B01J]
2014/0061,532 RADICAL COMPOSITION AND BATTERY USING SAMEMar 23, 12Mar 06, 14[H01M]
2014/0066,403 HYDROPHILIC MODIFIED POLYROTAXANE COMPOSITIONDec 05, 11Mar 06, 14[A61K]
2014/0066,615 PRODUCTION METHOD FOR POWDERED HYDROPHILIC MODIFIED POLYROTAXANEDec 05, 11Mar 06, 14[C08B]
2014/0066,616 PRODUCTION METHOD FOR HYDROPHILIC MODIFIED POLYROTAXANEDec 05, 11Mar 06, 14[C08B]
2014/0058,078 POLYROTAXANE COMPOSITIONDec 05, 11Feb 27, 14[C08B]
2014/0031,203 WATER-ABSORBENT RESIN, ABSORBENT BODY AND ABSORBENT ARTICLEApr 19, 12Jan 30, 14[A61L]
2014/0031,464 CHLOROSULFONATED POLYETHYLENE LATEXApr 02, 12Jan 30, 14[C09J, C08K, C08L]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,690,972 Hydrogen production system and reforming apparatusJul 07, 05Apr 08, 14[B01J]
8,664,313 Method for producing aqueous ethylene/vinyl alcohol based copolymer dispersionMay 13, 05Mar 04, 14[C08F, C08K, C08L]
8,664,404 Method for producing 3-halo-1,2-benzisothiazolesMar 14, 11Mar 04, 14[C07D]
8,629,230 Method for manufacturing carboxyl group-containing water-soluble polymerJul 27, 10Jan 14, 14[C08F]
8,546,491 Polyolefin-based composite resin spherical particles, coating composition, and coated objectSep 02, 10Oct 01, 13[C08J, C09D, B05D, C08L]
8,540,904 Composition for ultraviolet absorbent substance and ultraviolet absorbent substance comprising sameDec 10, 10Sep 24, 13[G02B, F21V, C08K]
8,524,797 Water-absorbing resin compositionOct 24, 05Sep 03, 13[B01J, A61K]
8,501,966 Method for producing a methylene disulfonate compoundJul 27, 11Aug 06, 13[C07D]
8,480,770 Hydrogen production system and method of controlling flow rate of offgas in the systemOct 09, 12Jul 09, 13[B01J, C10J]
8,466,324 Sulfone compoundOct 14, 09Jun 18, 13[C07C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2010/0324,299 METHOD FOR PURIFICATION OF PYRIDINE, AND METHOD FOR PRODUCTION OF CHLORINATED PYRIDINEMar 23, 09Dec 23, 10[C07D]
2010/0294,130 METHOD AND APPARATUS FOR SEPARATING HYDROGEN GASOct 17, 07Nov 25, 10[B01D]
2010/0256,308 PROCESS FOR THE PRODUCTION OF WATER-ABSORBING RESINS AND WATER-ABSORBING RESINS OBTAINED BY THE PROCESSSep 09, 08Oct 07, 10[C08G]
2010/0221,392 METHOD FOR FOAMING FOOD BY USING NITROUS OXIDE AS FOAMING AGENTJun 03, 08Sep 02, 10[A23L]
2010/0000,408 HYDROGEN GAS SEPARATION METHOD AND SEPARATION APPARATUSOct 31, 07Jan 07, 10[B01D]
2009/0186,542 WATER-ABSORBENT RESIN PARTICLE, METHOD FOR PRODUCTION THEREOF, AND ABSORBENT MATERIAL USING THE SAMEJul 27, 07Jul 23, 09[A61F, B32B, B01J]
2009/0136,736 WATER-ABSORBING RESIN SUITABLE FOR ABSORBING VISCOUS LIQUIDS CONTAINING HIGH-MOLECULAR COMPOUND, AND ABSORBENT AND ABSORBENT ARTICLE EACH COMPRISING THE SAMEJan 15, 09May 28, 09[C08F, B32B]
2009/0082,590 4-Mercaptophenyl ester of acetic acid and process for producing the sameApr 26, 06Mar 26, 09[C07C]
2008/0138,366 CosmeticsJan 13, 06Jun 12, 08[A61Q, A61K]
2008/0119,808 Water Absorbing Resin Particle And, Making Use Of The Same, Absorber Material And Absorbent ArticleNov 11, 05May 22, 08[C08F]
2007/0197,749 Process For Producing Water-Absorbing ResinJun 22, 05Aug 23, 07[C08F]
2007/0178,786 Water-absorbing resin suitable for absorbing viscous liquids containing high-molecular compound, and absorbent and absorbent article each comprising the sameMar 30, 07Aug 02, 07[B32B, D04H]
2007/0179,261 Method for producing water-absorbing resinDec 20, 04Aug 02, 07[C08F]
2007/0111,004 Water-absorbing resin compositionJul 07, 04May 17, 07[B32B]
2007/0093,766 Absorbing material and absorptive article using the sameJun 09, 04Apr 26, 07[A61F]
2007/0072,120 Method for producing resin for chemically amplified positive resistSep 28, 06Mar 29, 07[G03C]
2007/0015,887 Method for producing water-absorbing resinMay 12, 04Jan 18, 07[C08F]
2006/0293,503 Polyaminopyridines and method for producing sameSep 29, 04Dec 28, 06[C08G]
2006/0168,841 Method of manufacturing water absorbing resin and drying apparatus used for the methodFeb 26, 04Aug 03, 06[F26B]
7,041,853 Process for producing 4-bromothioanisoleMar 21, 01May 09, 06[C07C]

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