Benzylaminoaryl-dihydropyridinelactones, process for their preparation, and their use in medicaments
CA 1304375 C · Owner: Hebisch, Siegbert · Inventors: Bechem, Martin; Kayser, Michael; Hebisch, Siegbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Benzylaminoryl-dihydropyridinelactones process, for their preparation, and their use in medicaments ABSTRACT OF THE DISCLOSURE, A benzylaminoaryl-dihydropyridinelactone compound of the formula (I), (I), in which R1 represents hydrogen, halogen, cyano nitro, C6-C12-aryl, C1-C8-alkyl, C1-C8-alkoxy C1-, C6-alkylthio, trifluoromethyl, trifluoromethoxy trifluoromethylthio, difluoromethoxy, di-C1-C5alkylamino, C1-C6-alkoxycarbonyl or C1-C6-alkylsulphonyl, R2 represents hydrogen, or, represents a straight-chain branched or cyclic, saturated or unsaturated hydrocarbon radical having up to 10 carbon atoms which is optionally substituted by C1-C6-alkoxy, C1-C6-alkylthio C1-C6-alkylsulphonyl, halogen, …
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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 June 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 2009.
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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.