2-carbonyl substituted n,n'-di-(trimethoxybenzoyl) piperazines, process for preparing the same and therapeutical compounds containing them
CA 1320958 C · Owner: Godfroid, Jean-Jacques · Inventors: Pirotsky, Eduardo; Heymans, Francoise; Braquet, Pierre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to piperazine derivatives having the general formula I :, I, wherein Y stands for and Z represents, various substituents to a preparation process of said, compounds and to therapeutic compositions containing them as an active ingredient.
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 August 3, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 3, 2010.
- 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.