Alkoxy derivatives of n-substituted cyclic amines and process for their preparation
CA 1078378 A · Owner: Hoechst Aktiengesellschaft · Inventors: Jensen, Harald; Mitzlaff, Michael; Warning, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Novel alkoxy derivatives of N-substituted cyclic amines of the formula, (I), where, R1 is hydrogen an alkyl group having from 1 to 8 carbon atoms an aryl group having from 6 to 10 carbon atoms an, alkoxy group having from 1 to 4 carbon atoms an aralkoxy, or aroxy group, R2 is a linear or branched alkylene group having from 1 to 4 carbon atoms in the chain, X is OR3, where R3 represents an alkyl group having from 1 to 4 carbon atoms, Y is hydrogen, (C1-C4)-alkyl (C1-C4)-O-alkyl, or in the, case where R1 is an alkoxy group having from 1 to 4 carbon atoms, Y is not H, and known alkoxy derivatives of the same formula (I) which differ from the novel alkoxy derivatives by the fact that R1 of …
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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 May 27, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 27, 1997.
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