Peptidyl heterocyclic ketones useful as tryptase inhibitors
CA 2361479 A1 · Owner: Costanzo, Michael J. · Inventors: Maryanoff, Bruce E.; Yabut, Stephen C.; Costanzo, Michael J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a series of peptidyl heterocyclic ketones which are inflammatory cell serine protease inhibitors and their compositions and methods for the prevention and treatment of a variety of immunomediated inflammatory disorders. More particularly these compounds are potent and , selective inhibitors of tryptase and are therefore effective for the prevention and treatment of inflammatory diseases associated with the respiratory tract, such as asthma and allergic rhinitis.
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 January 13, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 13, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 13, 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.
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.