3-phenyl-7-benzyl-3,3a,4,5,6,7-hexahydro-2h-pyrozolo(4,3-c) pyridino compound
CA 1057757 A · Owner: E.R. Squibb And Sons · Inventors: Krapcho, John; Turk, Chester F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds of the formula, wherein R is , or , wherein X is, hydrogen, chloro, fluoro alkyl of from 1 to 4 carbon atoms, alkoxy of from 1 to 4 carbon atoms or trifluoromethyl pro-, vided each R may be the same or different; R1 and R2 are hydrogen, alkyl of from 1 to 4 carbon atoms hydroxy lower, alkyl wherein the alkyl group has from 1 to 4 carbon atoms alkanoyl of from 1 to 4 carbon atoms or X-substituted phenyl alkyl wherein X and alkyl have the same meaning as above and, the N-oxides and pharmaceutically acceptable acid addition salts thereof have been found to possess antiinflammatory activity.
Read the whole patent
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 July 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 3, 1996.
- 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
Timeline From CIPO dates
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.