Expired Canadian patentCanada
¬¬bis(aryl)methylene -1-piperidinyl alkyl- pyrimidinones
CA 1211438 A · Owner: Janssen Pharmaceutica Naamloze Vennootschap · Inventors: Vandenberk, Jan; Mertens, Josephus C.; Kennis, Ludo E.J.
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 bis(aryl)methylene-1-piperidinylalkyl-pyrimidinones wherein the pyrimidinone-ring is embraced within a bicyclic system being useful compounds in the treatment of psychosomatic disorders.
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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 September 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 16, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 15, 1983
GrantedSeptember 16, 1986
Term endedSeptember 16, 2003
Patent numberCA 1211438 A
Classification (IPC)C07D471/04 +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.