Phenyl-tetrazolyl-pyrimidin-4-one therapeutic agents
CA 1083152 A · Owner: Bristol-Myers Squibb Company · Inventors: Partyka, Richard A.; Juby, Peter F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This specification discloses new therapeutically useful2-(substituted)phenyl-5-(5-1H-tetrazolyl)pyrimidin-4- (3H)-one derivatives which function as inhibitors of allergic reactions; processes for their preparation; pharmaceutical compositions containing them; and methods for treating allergically-mediated diseases in mammals by administration of such derivatives or pharmaceutical compositions thereof. These derivatives may be represented by the structural formula I, These compounds and compositions are particularly valuable in the prophylactic treatment of allergic bronchial asthma by oral administration.
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
- Granted August 5, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 1997.
- 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.