Cyclopropylmethyloxybenzimidazoles
CA 1264053 C · Owner: Matsuishi, Naoto · Inventors: Murakami, Kiyokazu; Matsuishi, Naoto; Iizumi, Kenichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Benzimidazole derivatives of the general formula I are provided:, (I), wherein R1 is hydrogen methyl or methoxyl and R2 and R3, each is hydrogen or methyl at least one of R1, R2 and R3, being a member other than hydrogen. The benzimidazole derivatives exhibit an excellent activity of inhibiting the potassium ion-dependent adenosine triphosphatase as, well as a good stability during storage. Therefore the, benzimidazole derivatives are usable for the treatment of gastric and/or duodenal ulcers.
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 December 27, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 27, 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.