.alpha.-ARYL-.alpha..alpha.-BIS.omega.-(DISUBSTITUTED AMINO) ALKYL-ACETAMIDES AND RELATED COMPOUNDS
CA 1136622 A · Owner: Searle (G. D.) & Co. · Inventors: Yonan, Peter K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel .alpha.-aryl-.alpha..alpha.-bis.omega.-(disubstituted amino)alkyl)acetamides are described herein. The compounds are useful as anti-arrhythmic agents. The compounds are prepared by reacting an appropriate disubstituted acetonitrile with an appropriate haloalkyl amine and subsequently hydrolyzing the resulting nitrile with concentrated sulfuric acid.
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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 November 30, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 1999.
- 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
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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.