Kyowa Gas Chemical Industry Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5006415 Molded article of methacrylic resinExpiredNov 17, 88Apr 09, 91[B32B]
4947847 Electrically conductive adhesiveExpiredAug 03, 88Aug 14, 90[A61B, A01B]
4842768 Electrically conductive adhesiveExpiredJan 15, 86Jun 27, 89[H01B]
4830803 Method of making a molded article of methacrylic resinExpiredJan 20, 87May 16, 89[B32B]
4791184 Methacrylic resin molding material and method for production thereofExpiredJun 29, 87Dec 13, 88[C08F]
4504616 Neodymium-containing transparent resin and method for manufacture thereofExpiredJul 28, 83Mar 12, 85[C08K]
4495084 Plastic scintillatorExpiredAug 16, 82Jan 22, 85[G01T]
4460403 2,3-Dicyano 6 phenyl pyrazine herbicidesExpiredNov 04, 80Jul 17, 84[A01N, C07D]
4275174 Neutron shielding polymer composition and a process for producing the sameExpiredApr 26, 79Jun 23, 81[C08F, C08K]
4259489 2,3-DicyanopyrazinesExpiredDec 15, 78Mar 31, 81[A01N, C07D]
4182821 Method for producing a lead containing monomer composition and a radiation shielding polymerExpiredNov 14, 77Jan 08, 80[C07F]

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