Expired Canadian patentCanada
4-((phenoxyalkyl)thio)-phenoxyacetic acids and analogs
CA 2539446 C · Owner: Zhang, Rui · Inventors: Zhang, Rui; Wang, Aihua; Deangelis, Alan R.
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 features 4-((phenoxyalkyl)thio)-phenoxyacetic acids and analogs compositions containing them, and methods of using them as PPAR delta modulators to treat or inhibit the progression of for example, dyslipidemia.
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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
- Filed September 16, 2004 and granted December 3, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 16, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 16, 2026.
- 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 16, 2004
GrantedDecember 3, 2013
Term endedSeptember 16, 2024
Patent numberCA 2539446 C
Classification (IPC)C07C323/20 +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.