Pyrones as inhibitors of cyclooxygenase-2
CA 2412874 A1 · Owner: Lau, Cheuk-Kun · Inventors: Lau, Cheuk-Kun; Li, Chun-Sing; Therien, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention encompasses the novel compounds of Formula (I) which are useful , in the treatment of cyclooxygenase-2 mediated diseases. The invention also encompasses certain pharmaceutical compositions comprising compounds of Formula (I) as well as methods of treating yclooxygenase-2 mediated diseases comprising administering to a patient in need of such treatment a non-toxic therapeutically effective amount of a compound of Formula (I).
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 June 28, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 28, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 28, 2023.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.