G-C Toshi Kogyo Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5380772 Modelling liquid for dental porcelainExpiredMay 27, 93Jan 10, 95[C08F]
5254604 Light polymerizable resin compositions for the preparation of clasp patternsExpiredDec 16, 91Oct 19, 93[G08F]
5127834 Artificial teeth and method for making themExpiredDec 18, 89Jul 07, 92[A61C]
5063255 Photopolymerizable type resin compositions for dental purposesExpiredNov 01, 89Nov 05, 91[C08F]
5052926 Pallet for handling dental porcelain materialsExpiredMar 29, 90Oct 01, 91[A61C]
4997373 Artificial teeth for molarsExpiredMay 19, 89Mar 05, 91[A61C]
4969817 Artificial teethExpiredSep 30, 88Nov 13, 90[A61C]
4909738 Artificial teeth for anterior teeth portionsExpiredJul 25, 89Mar 20, 90[A61C]
4880887 Method for curing dental resinsExpiredMar 03, 88Nov 14, 89[C08L]
4797096 Measuring tool for the selection of artificial teethExpiredJan 14, 87Jan 10, 89[A61C]
4795345 Artificial teethExpiredOct 07, 87Jan 03, 89[A61C]

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