Expired Canadian patentCanada
Derivatives of dicarboxylic acid having pharmaceutical properties
CA 2387107 C · Owner: Stasch, Johannes-Peter · Inventors: Heil, Markus; Perzborn, Elisabeth; Stahl, Elke
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to compounds of formula (I) as well as the salts and stereoisomers thereof used in the production of medicaments for the treatment of cardiovascular diseases.
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
- Filed August 31, 2000 and granted April 12, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 31, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 31, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 31, 2000
GrantedApril 12, 2011
Term endedAugust 31, 2020
Patent numberCA 2387107 C
Classification (IPC)C07C229/38 +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.