UNIROYAL LTD.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4870094 Substituted imidazoles and triazolesExpiredOct 30, 84Sep 26, 89[A01N, C07D]
4845217 Purification of 5-pyrimidinecarboxamidesExpiredDec 08, 86Jul 04, 89[A61K, C07D]
4683095 Early progressive junction extrusion process and systemExpiredMay 08, 85Jul 28, 87[B29C]
4675044 3-aryl-5,6-dihydro-1,4,2-oxathiazines and their oxidesExpiredNov 01, 85Jun 23, 87[A01N]
4670555 Substituted oxadiazinonesExpiredApr 19, 85Jun 02, 87[C07D]
4664694 Substituted thiazolidinones useful as plant growth regulatorsExpiredApr 24, 85May 12, 87[A01N, C07D]
4636508 5-pyrimidinecarboxyamides and treatment of leukemia therewithExpiredApr 22, 85Jan 13, 87[A61K, C07D]
4634707 5-Pyrimidinecarboxamides and treatment of leukemia and tumors therewithExpiredFeb 08, 85Jan 06, 87[A61K, C07D]
4634690 Substituted pyrimidinyl organophosphorus insecticidesExpiredJul 18, 84Jan 06, 87[A01N, C07F]
4569690 3-Aryl-5,6-dihydro-1,4,2-oxathiazines and their oxidesExpiredSep 12, 83Feb 11, 86[A01N, C07D]
4545735 Diaphragm pump having a valve sheet with inlet and outlet flaps and having antisiphoning capability during pump shutdownExpiredAug 17, 84Oct 08, 85[F16K, F04B]
4490532 Synthesis of 2-[1-(2,5-dimethylphenyl)ethylsulfonyl]pyridine-1-oxide herbicide and intermediates thereforExpiredJul 28, 80Dec 25, 84[C07D]
4464538 Method of synthesizing dihydro-1,4-dithiinsExpiredMay 03, 83Aug 07, 84[C07D]
4394155 Substituted pyridine 1-oxide herbicidesExpiredFeb 05, 81Jul 19, 83[A01N, C07D]
4359579 Synthesis of intermediate for the manufacture of 5,6-dihydro-2-methyl-N-phenyl-1,4-oxathin-3-carboxamideExpiredAug 24, 81Nov 16, 82[C07D]
4319033 Method of making certain 2,3-dihydro-1,4-dithiinsExpiredMar 26, 81Mar 09, 82[C07D]
4312972 Interpolymers of polyurethanes and addition polymerizable monomersExpiredMar 26, 81Jan 26, 82[C08G]
4288584 Electret made of branched alpha-olefin polymerExpiredOct 30, 78Sep 08, 81[C08F, H01G]
4276422 Substituted dithiin tetroxide plant growth regulantsExpiredMar 07, 77Jun 30, 81[C07D]
4265798 Isocyanurate products and polyurethanes therefromExpiredFeb 11, 80May 05, 81[C08L]

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