4-(2-pyrimidinyl)-1-piperazinyl heterocyclic carbonyl derivatives
CA 1286667 C · Owner: Merrell Dow France Et Cie · Inventors: Hibert, Marcel; Gittos, Maurice Ward
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is directed to a class of 4-(2pyrimidinyl)-1-piperazinyl heterocyclic carbonyl derivatives having the formula, This invention also relates to a process for the preparation of said derivatives, pharmaceutical compositions thereof, and to the use of these compounds as anxiolytic agents.
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 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 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.
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.