2-substituted 5-hydroxy-1h-imidazole-4-carboxamide derivatives and their preparation and use
CA 1110623 A · Owner: Sumitomo Chemical Co. Ltd. · Inventors: Tarumi, Yuzo; Atsumi, Toshio; Yoshida, Noboru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds of the formula (I), wherein R is C2 - C17 alkyl group C3 - C7 cycloalkyl, group, 1-adamantyl group pyridyl group, pyridine N-oxide, diphenylmethyl group benzyl group which may or may not, be substituted with nitro group halogen atom, C1 - C3, alkyl group or C1 - C3 alkoxy group or phenyl group, which may or may not be substituted with nitro group halogen atom, hydroxy group, C1 - C3 alkyl group C1 - C3, alkoxy group, carboxy group, C2 - C4 alkoxycarbonyl group phenoxycarbonyl group, carbamoyl group N-phenylcarbamoyl, group, N-adamantylcarbamoyl group benzoylamino group, trifluoromethyl group C2 - C4 alkanoyloxy group, 1-adamantoyloxy group or benzoyloxy group and salts thereof …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 1998.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.