2-alkyl-3-benzoylbenzofurans and pharmaceutical compositions containing same
CA 1296734 C · Owner: Taro Vit Industries Ltd. · Inventors: Stolar, Morris; Levitt, Barrie; Breiman, Ron
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel alkyl-benzoylbenzofurane are disclosed. The novel compound have the formula, wherein R is an alkyl group containing 2 to 4 carbon atoms R1 is an alkyl group containing 1 to 4 carbon atoms R2, and R3 are each an alkyl group containing 1 to 3 carbon atoms and n is an integer of 1 or 2. The compounds of the invention are useful for the treatment of cardiac arrhythmia and pharmaceutical compositions containing above compounds as active material are also disclosed.
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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 2009.
- 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.