Expired Canadian patentCanada
Aryloxycycloalkanolaminoalkylene aryl ketones
CA 1263656 C · Owner: Merrell Dow Pharmaceuticals (Canada) Inc. · Inventors: Mccarthy, James Ray; Trepanier, Donald Lee; Letourneau, Michael Edward
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to aryloxycycloalkanolaminoalkylene aryl ketones to the processes for their preparation and to their use as antihypertensive agents. C-30,473A
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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 December 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 5, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 22, 1984
GrantedDecember 5, 1989
Term endedDecember 5, 2006
Patent numberCA 1263656 C
Classification (IPC)C07D209/04 +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.