Pyrid-2-one derivatives, a process for their manufacture and pharmaceutical preparations containing them
CA 1193602 A · Owner: Hoechst Aktiengesellschaft · Inventors: Muller, Werner H.; Schleyerbach, Rudolf; Blume, Ernst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New pyrid-2-one derivatives of the formula I (I), stereoimers thereof and salt thereof with a physiologically acceptable acid or base, and a process for the preparation thereof are described. The new compounds have an antiinflammatory action and can be used as antiphlogistic agents for treating rheumatic 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 September 17, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 2002.
- 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.