Imidazo1,2-apyridines
CA 1248957 A · Owner: Schering Corporation · Inventors: Puchalski, Chester; Bristol, James A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to imidazo1,2-apyridines of the general formula, (wherein the substituents R2,R3,R4 and R5 are as defined in the specification) and includes 2,3-dihydro-9 5,6,7,8tetrahydro-, 2,3,5,6,7,8-hexahydro-analogues and salts of such compounds. The invention also relates to processes for preparing such compounds and to pharmaceutical compositions containing them. The compounds are antisecretory and cytoprotective agents and are particularly useful in the treatment of ulcer diseases.
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 January 17, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2006.
- 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.