Nitric ester of n-(2-hydroxyethyl)nicotinamide and a process for the preparation of same
CA 1088944 A · Owner: Chugai Seiyaku Kabushiki Kaisha · Inventors: Nagano, Hiroyuki; Takaku, Sakae; Sugano, Shigeru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compound represented by the formula wherein R1 and R2 are defined hereinbelow a process, for preparing the compound and a pharmaceutical composition for treating a circulatory deseas? containing the compound are disclosed.
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 4, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 4, 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.