Quinoline ether alkanoic acids for use as inhibitors of leukotriene biosynthesis
CA 1333714 C · Owner: Merck Frosst Canada Incorporated · Inventors: Young, Robert N.; Prasit, Petpiboon; Zamboni, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds having the formula:, I, are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating diarrhea, hypertension angina, platelet aggregation, cerebral spasm prema-, ture labor, spontaneous abortion dysmenorrhea, and, migraine.
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, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 27, 2011.
- 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.