Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha

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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 9116
 
 
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 9107
 
 
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 894
 
 
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 3122
 
 
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
 
 
C07D HETEROCYCLIC COMPOUNDS 2160
 
 
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 276
 
 
 
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 1139
 
 
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
 
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6610233 Saponified ethylene-vinyl acetate copolymer pellets and method for their productionOct 22, 99Aug 26, 03[D01F]
6576704 Method for continuous treatment of saponified ethylene-vinyl acetate copolymerDec 12, 00Jun 10, 03[C08F]
6573327 Highly stable aqueous solution of partially saponified vinyl ester resinSep 29, 99Jun 03, 03[C08F, C08L]
6565938 Resin composition and layered productNov 09, 01May 20, 03[B32B]
6559254 Method of producing a vinyl acetate polymer and its saponification productFeb 13, 01May 06, 03[C08F]
6451967 Method of drying saponified ethylene-vinyl acetate copolymersSep 18, 00Sep 17, 02[C08F]
6432552 Saponified ethylene-vinyl acetate copolymer and laminateJan 18, 00Aug 13, 02[C08L, B32B]
6353048 Resin composition and laminateApr 05, 00Mar 05, 02[C08K]
6238606 Process for preparing pellets of saponified ethylene/vinyl acetate copolymerMay 06, 99May 29, 01[B29C]
6232382 Saponified ethylene-vinyl acetate copolymer resin composition and laminate having a layer of said resin compositionOct 01, 98May 15, 01[C08K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6329461 Silicone-containing aqueous coating composition and method of producing sameExpiredAug 03, 99Dec 11, 01[C08K]
5478884 Oxyalkylene group-containing polyvinyl alcohol resin composition and process for the production of shaped articles from said compositionExpiredOct 21, 93Dec 26, 95[C08L]
5430090 Hot-melt adhesiveExpiredFeb 18, 94Jul 04, 95[C08K]
5395943 Method for purification of 2-alkyl-4-halo-5-formylimidazolesExpiredFeb 16, 94Mar 07, 95[C07D]
5384187 Biodegradable resin compositions and laminates based thereonExpiredJan 11, 93Jan 24, 95[C08L, B32B]
5319094 Process for producing 2-alkyl-4-halo-5-formylimidazolesExpiredDec 31, 92Jun 07, 94[C07D]
5159013 Halogen-containing thermoplastic resin compositionExpiredJul 18, 89Oct 27, 92[C08L, C08K]
5106890 Polyvinyl alcohol-starch filmExpiredDec 04, 89Apr 21, 92[C08J]
5101070 Process for preparing valproic acidExpiredJul 05, 88Mar 31, 92[C07C]
5053257 Process for forming film of hydrolyzed ethylene-vinyl acetate copolymerExpiredFeb 23, 90Oct 01, 91[B05D]
5051462 Halogen-containing thermoplastic resin compositionExpiredAug 11, 88Sep 24, 91[C08K]
5034253 Pipe for circulating warm waterExpiredSep 08, 89Jul 23, 91[F16L]
5030690 Halogen-containing thermoplastic resin compositionExpiredMay 09, 89Jul 09, 91[C08L]
5023296 Resin compositionExpiredDec 19, 89Jun 11, 91[C08G]
4997756 Process for preparing sorbic acidExpiredSep 12, 89Mar 05, 91[C12R, C12P]
4987186 Pressure sensitive adhesive compositionExpiredDec 21, 88Jan 22, 91[C08G]
4981939 Binder for a toner comprising a polyester from rosin or hydrogenated rosinExpiredAug 23, 89Jan 01, 91[C08G]
4968575 A toner composition comprising a rosin-containing polyesterExpiredJul 19, 88Nov 06, 90[G03G]
4963608 Halogen-containing thermoplastic resin compositionExpiredDec 23, 88Oct 16, 90[C08L, C08K]
4954557 Process for preparing molded articleExpiredJan 25, 89Sep 04, 90[C08L, C08K]

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