1,7-naphthyridine derivatives and medicinal preparations containing same
CA 1256433 A · Owner: Ss Pharmaceutical Co. Ltd. · Inventors: Koumoto, Teruo; Isomae, Kazuo; Sato, Susumu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Certain 1,7-naphthyridine derivatives and their acid addition salts have strong antiarrhythmic effects, cardiotonic effects, diuretic effects bronchodilation effects, anti-acetylcholine effects anti-inflammatory effects, analgesic effects and the like and are hence useful for various diseases such as heart diseases, hypertension, asthma, arthritis lumbago, toothache, etc.
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 June 27, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 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.