TONEN SEKIYU KAGAKU KABUSHIKI KAISHA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B60R VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5123688 Automobile bumper having smooth surface and manufactured by a blow molding processApr 23, 91Jun 23, 92[B60R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5252385 Elastomer film and composite containing sameExpiredNov 30, 92Oct 12, 93[C08L, B32B]
5218036 Shrinkable film from ethylene-vinyl acetate polymer talc and ethylene-propylene copolymers blendExpiredDec 24, 90Jun 08, 93[C08L, C08K]
5216054 Polymer compositionExpiredFeb 27, 92Jun 01, 93[C08K]
5185203 Heat-sealable crosslinked oriented polyethylene film and production thereofExpiredNov 14, 89Feb 09, 93[C09J]
5153060 Resin composition for adhering polyarylene sulfide and polyvinylidene fluoride, method of adhering them and their laminated structureExpiredApr 11, 91Oct 06, 92[B32B]
5147931 Thermoplastic resin compositionExpiredJun 14, 91Sep 15, 92[C08L]
5114522 Method for producing an automobile bumperExpiredMar 28, 88May 19, 92[B29C]
5106564 Method of and apparatus for making fiber-reinforced polymer compositionsExpiredJan 04, 91Apr 21, 92[B29C]
5106893 Fiber-reinforced polymer compositionExpiredFeb 07, 91Apr 21, 92[C08K]
5106909 Modified polyolefin-polyester graft copolymer, method of producing same and thermoplastic resin composition containing such graft copolymerExpiredOct 13, 89Apr 21, 92[C08G]
5091463 Resin composition for adhering polyarylene sulfide and polyvinylidene fluoride, method of adhering them and their laminated structureExpiredOct 23, 89Feb 25, 92[C08K]
5081179 Thermoplastic elastomer compositionExpiredOct 23, 89Jan 14, 92[C08L]
5075152 Polyethylene composite film and labelExpiredMay 02, 91Dec 24, 91[B32B]
5059658 Method of producing modified polypropyleneExpiredApr 03, 90Oct 22, 91[C08F]
5057252 Method of producing heat-resistant and shape memory formed productsExpiredJul 02, 90Oct 15, 91[B29C, C08L]
5045620 Oriented polyethylene film and production thereofExpiredSep 07, 89Sep 03, 91[C08F, B29C]
5021504 Thermoplastic polyolefin-polycarbonate compositionExpiredSep 19, 88Jun 04, 91[C08L]
5015679 Polyolefin compositionExpiredJun 01, 89May 14, 91[C08K]
5013789 Process for producing thermoplastic resin compositionsExpiredDec 16, 88May 07, 91[C08L]
4990550 Fiber-reinforced polymer composition and method of producing sameExpiredMar 20, 89Feb 05, 91[C08K]

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