Hydroxamic acids of 7-oxabicycloheptane substituted ethers
CA 1314290 C · Owner: Das, Jagabandhu · Inventors: Das, Jagabandhu; Varma, Ravi Kannadikovilakom
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Hydroxamic acids of 7-oxabicycloheptane substituted ether prostaglandin analogs are provided having the structural formula wherein Q is -CH2-A-(CH2)m- or (CH2)t; X is or O, Y is O or , and including all stereoisomers thereof. The compounds are inhibitors of .DELTA.5-lipoxygenase and inhibitors of prostaglandin and leukotriene biosynthesis and as such are useful for example, as anti-allergy and antiinflammatory agents and also as antipsoriatic agents.
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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
- Granted March 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 9, 2010.
- 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.