Imidazo 4,5-.beta. pyridine compounds and process for preparing same
CA 1329204 C · Owner: Mitsubishi-Tokyo Pharmaceuticals, Inc. · Inventors: Iizumi, Kenichi; Murakami, Kiyokazu; Matsuishi, Naoto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
IMIDAZO 4,5-b PYRIDINE COMPOUNDS AND, PROCESS FOR PREPARING SAME ABSTRACT OF THE DISCLOSURE, Imidazo4,5-bpyridine compounds of the general formula I are provided:, I, where R1 is straight-chain or branched C1-8 alkoxy which may be substituted with cycloalkyl, or C2-4 fluoroalkyloxy, R2 is H, methyl or methoxy, and R3 and R4 are each H or methyl and may be the same or different. All these compounds have good activity of inhibiting potassium ion-dependent adenosine triphosphatase and excellent storage stability, so that they are usable for the treatment of gastric and/or duodenal ulcers.
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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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.