Mitsubishi Monsanto Chemical Company

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5225494 Graft copolymer resin compositionExpiredMar 21, 90Jul 06, 93[C08F]
5194491 Process for producing rubber-modified styrene resin, and resin compositionExpiredMay 24, 90Mar 16, 93[B01J, C08L]
5153682 HEMT device with doped active layerExpiredFeb 25, 91Oct 06, 92[H01L]
5114521 Method for producing a sliding coupling by a monomer casting methodExpiredApr 06, 90May 19, 92[B29C]
5087793 Process for preparing inner olefinesExpiredMay 24, 90Feb 11, 92[C07C]
5055152 Easily separable laminated/perforated film for packings, and its manufacturing methodExpiredNov 29, 89Oct 08, 91[B29C, B32B]
4990567 Molded amide resin product and method for its preparationExpiredJun 18, 90Feb 05, 91[C08L]
4987185 Impact resistant thermoplastic resin compositionExpiredJun 13, 89Jan 22, 91[C08L]
4983650 Fine polishing composition for wafersExpiredDec 29, 88Jan 08, 91[C08G, C08K]
4981906 Heat and impact resistant thermoplastic resin compositionExpiredMay 27, 88Jan 01, 91[C08L]
4916196 Process for producing a heat resistant resin compositionExpiredMay 27, 88Apr 10, 90[C08F]
4879343 Heat and impact resistant resin compositionExpiredAug 05, 88Nov 07, 89[C08L]
4726960 Medical material and process for its productionExpiredSep 04, 86Feb 23, 88[A01N, A01M]
4713429 Method for production of copolymer of vinyl cyanide compound and aromatic vinyl compoundExpiredJun 27, 86Dec 15, 87[C08F]
4699947 Weather and impact resistant resin composition and process for its preparationExpiredDec 30, 85Oct 13, 87[C08L]
4664658 Medical material and process for its productionExpiredNov 07, 85May 12, 87[A61M]
4598126 Heat resistant resin compositionExpiredApr 05, 85Jul 01, 86[C08L]
4585824 Glass fiber-reinforced heat resistant resin compositionExpiredOct 05, 84Apr 29, 86[C08J, C08K]
4585832 Weather and impact resistant resin composition and process for its preparationExpiredJun 14, 84Apr 29, 86[C08L]
4567233 Heat and impact resistant resin compositionExpiredJan 30, 84Jan 28, 86[C08L]

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