Expired Canadian patentCanada
3-(piperidinyl)- and 3-(pyrrolidinyl)-lh-indazoles, a process for their preparation and their use as a medicament
CA 1292232 C · Owner: Hoechst-Roussel Pharmaceuticals Inc. · Inventors: Strupczewski, Joseph T.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel 3-(piperidinyl)- and 3-(pyrrolidinyl)-1H-indazoles intermediates and processes for the preparation thereof and their use for treating psychoses and alleviating pain are disclosed.
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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 November 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 21, 1984
GrantedNovember 19, 1991
Term endedNovember 19, 2008
Patent numberCA 1292232 C
Classification (IPC)C07D401/00 +2 more
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.