Biphenylylpropionic acid derivative, process for preparing the same and pharmaceutical composition containing the same
CA 1201127 A · Owner: Kaken Pharmaceutical Co. Ltd. · Inventors: Okumura, Makoto; Mimura, Mitsuo; Tohno, Masao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Biphenylylpropionic acid derivatives of the formula:, wherein R is an alkylcarbonyloxyalkyl group or an alkenylcarbonyloxyalkyl group having the formula: wherein R1 is an alkyl group having 1 to 15 carbon atoms or an alkenyl group having 2 to 8 carbon atoms and m is 0 or an integer of 1. The compounds have excellent anti-inflammatory, analgesic and antipyretic activities. Moreover the compounds have no irritation, rapid and long-acting, and high safety margin.
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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 February 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 25, 2003.
- 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.