N-benzyl-o-(2,6-dichloroanilino) phenyl acetic acid derivatives
CA 1113484 A · Owner: Sagami Chemical Research Center · Inventors: Sakoda, Ryozo; Ogura, Katsuyuki; Nagano, Kazuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel N-benzyl-o-(2,6-dichloroanilino)phenylacetic acid derivatives having the formula, .... (I) wherein X represents H, Cl, Br or a C1 - C4 alkyl group and Y is OH, OR or SR and a represents a C1 - C4 alkyl group useful as, intermediates in the preparation of o-(2,6-dichloroanilino)phenyl acetic acid and pharmaceutically acceptable salts thereof which have pharmacological properties including antiinflammatory and analgesic effects.
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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 December 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 1, 1998.
- 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.