Phenolic thioetheramides as 5-lipoxygenase inhibitors
CA 2088503 A1 · Owner: G.D. Searle & Co. · Inventors: Mueller, Richard August; Partis, Richard Allen
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 phenolic thioetheramides of formula (I) wherein R1 and R2 are tert-alkyl or phenyl Alk1 and Alk2 are alkylene; X is sulfer or oxygen m is 0, 1, or, 2; and R is a) wherein R3 and R4 are hydrogen or alkyl and Alk3 is alkylene; or b) wherein Y is CH N, O, or S; R6 is, hydrogen, alkyl, phenyl substituted phenyl, benzyl, substituted benzyl or a heterocyclic amine; and R7 is hydrogen or alkyl. The compounds inhibit 5-lipoxygenase and are useful in the treatment of inflammation and allergic conditions.
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 September 5, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 5, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 5, 2013.
- 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.