Antiulcer composition
CA 1310271 C · Owner: Senju Pharmaceutical Co. Ltd. · Inventors: Sakaue, Takahiro; Ogawa, Takahiro; Ogata, Kazumi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Antiulcer composition ABSTRACT OF THE DISCLOSURE, A composition comprising a compound of the following formula or a salt thereof, wherein R1 and R2 each represents a hydrogen atom or a methyl group is highly safe and useful as an antiulcer agent.
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 November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 2009.
- 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.