Expired Canadian patentCanada
Pharmaceutical preparation containing b-blocker and a potassium channel activator
CA 1317228 C · Owner: Buckingham, Robin E. · Inventors: Buckingham, Robin E.; Evans, John M.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pharmaceutical product comprising a potassium channel activator antihypertensive agent and a .beta.-blocker antihypertensive agent as a combined preparation for simultaneous, separate or sequential use in therapy of hypertension.
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 May 4, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 4, 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.
FiledJanuary 4, 1989
GrantedMay 4, 1993
Term endedMay 4, 2010
Patent numberCA 1317228 C
Classification (IPC)A61K31/35 +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.