Toa Nenryo Kogyo Kabushiki Kaisha

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5426051 Gene for A-type inclusion body of poxvirusExpiredSep 24, 90Jun 20, 95[C12N]
5259978 Traction fluid composition comprising a cyclohexyl diester and branched poly-.alpha.-olefinExpiredFeb 01, 93Nov 09, 93[C10M]
5236018 Boring casing for boring machinesExpiredAug 24, 92Aug 17, 93[F16L]
5171481 Synthetic traction fluidExpiredFeb 07, 92Dec 15, 92[C10M]
5151390 Silicon nitride-based fibers and composite material reinforced with fibersExpiredJul 18, 91Sep 29, 92[C04B]
5145728 Oriented polyethylene filmExpiredJun 12, 91Sep 08, 92[C08L, B32B]
5145812 Molded articles formed of silicon nitride based ceramic and process for producing sameExpiredAug 19, 91Sep 08, 92[C04B]
5127822 Combustion apparatus with atomizer and method of controlling sameExpiredDec 13, 90Jul 07, 92[F23D]
5122417 Fiber-reinforced composite resin pultrusion products and method of manufacturing the sameExpiredSep 16, 88Jun 16, 92[B32B]
5114697 High strength, high modulus pitch-based carbon fiberExpiredMar 23, 89May 19, 92[D01F]
5098894 Binderless zeolite catalysts, production thereof and catalytic reaction therewithExpiredSep 26, 90Mar 24, 92[B01J]
5091474 Epoxy resin curing agent based on blends containing disecondary aromatic diaminesExpiredJan 18, 91Feb 25, 92[C08G]
5085792 Synthetic traction fluidExpiredJan 27, 89Feb 04, 92[C10M]
5076403 Damping system for vibrating bodyExpiredFeb 14, 91Dec 31, 91[F16F]
5075024 Synthetic traction fluidExpiredNov 22, 88Dec 24, 91[C10M]
5066723 Impact-modified polymers (p-1304)ExpiredDec 21, 90Nov 19, 91[C08F, C08L]
5043204 Oriented polyethylene filmExpiredNov 30, 88Aug 27, 91[C08L, B32B]
5041252 Nonwoven fabric of water-soluble resin fibersExpiredAug 22, 89Aug 20, 91[B32B]
5039440 Traction fluidExpiredMar 31, 88Aug 13, 91[C09K]
5037908 Process for polymerization of butene-1ExpiredDec 19, 85Aug 06, 91[C08F]

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