Phenylalanine enamide derivatives
CA 2492430 A1 · Owner: Brown, Julien Alistair · Inventors: Brand, Stephen; Brown, Julien Alistair; Bailey, Stuart
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Phenylalanine enamide derivatives of formula (1) are described wherein R1is a , -CH(CH3)2, -(CH2)2CH3; -CH2C(CH3)3 -CH2CH2OH, -CH2CH2OCH3, -CH2CH2OCH2CH2OH -, CH2CH2OCH2CH2OCH3, formula (A) group; and the salts solvates and N-oxides , thereof. Compounds according to the invention are potent and selective inhibitors of .alpha.4 integrins. The compounds are of use in modulating cell adhesion and in particular are of use in the prophylaxis and treatment of diseases or disorders including inflammation in which the extravasation of leukocytes plays a role and the invention extends to such a use and to the use of the compounds for the manufacture of a medicament for treating such diseases …
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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 July 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 16, 2025.
- 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.