.omega.-CYANO-1,.omega.-DIPHENYL-AZAALKANE DERIVATIVES, THEIR PREPARATION, AND DRUGS CONTAINING THEM
CA 1184186 A · Owner: Basf Aktiengesellschaft · Inventors: Kretzschmar, Rolf; Seitz, Werner; Ehrmann, Oskar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
m-Cyano-1,m-dipheny-azaalkane derivatives of the formula I, I wherein Rl, R2, R3, R4, R5, R6, R7, R8 m and n have the, meanings given in the description and salts thereof, with physiologically tolerated acids,are useful in treating cardiovascular disorders,
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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 March 19, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.