Pyrazole-ring alkylated pyrazoloquinolines and intermediates
CA 1270488 C · Owner: Eli Lilly And Company · Inventors: Huser, Diane L.; Schaus, John M.; Booher, Richard N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Tautomeric mixtures of trans-(?)-3,5-dialkyloctahydropyrazolo3,4-gquinoline, of trans-(?)-6-alkyloctahydropyrazolo4,3-fquinoline, and of trans-(?)- 1,6-dialkyloctahydropyrazolo4,3-fquinoline individual, enantiomers thereof, pharmaceutically-acceptable acid addition salts thereof, useful as hypotensive agents and intermediates useful in the preparation thereof are described herein.
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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 19, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 2007.
- 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.