Thioalkanoyl-carnitines, process for their preparation and mucolytic pharmaceutical compositions containing same
CA 1188317 A · Owner: Sigma-Tau Industrie Farmaceutiche Riunite S.P.A · Inventors: Cavazza, Claudio; Tinti, Maria O.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Thioalkanoyl-carnitines, process for their preparation and mucolytic pharmaceutical compositions containing same". ABSTRACT OF THE DISCLOSURES, Thioalkanoyl-carnitines of general formula (I) wherein R is a straight or branched alkylene radical having from 2 to 6 carbon atoms, R1 is a straight or branched lower alkyl radical having from 1 to 4 carbon atoms, and, X- is a halogen anion are prepared by reacting a thio-acid (II) of general formula R1 COSH, - 2 -, (a) if in (I) the thioalkanoyl radical R1COS- is in terminal position, with a compound of general formula (III) wherein n is an integer comprised between 0 and 4 or, (b) if in (I) the thioalkanoyl radical R1COS- is not in terminal …
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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 June 4, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 4, 2002.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.