Expired Canadian patentCanada
Various n-substituted 3-piperidine carboxylic acids or n-substituted 3-pyridinecarboxylic acids and derivatives thereof
CA 1270818 C · Owner: Pavia, Michael R. · Inventors: Pavia, Michael R.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Analogs of nipecotic acid are the novel compounds of the present invention. The analogs are GABA uptake inhibitors for use to treat epilepsy and thus, the invention is also pharmaceutical compositions and methods of use therefor.
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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 26, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 26, 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.
FiledNovember 3, 1986
GrantedJune 26, 1990
Term endedJune 26, 2007
Patent numberCA 1270818 C
Classification (IPC)C07D211/60 +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.