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Expired Canadian patentCanada

Pharmaceutical and dietary composition containing -linolenic acid

CA 1279824 C · Owner: Jamal, Goran A. · Inventors: Horrobin, David Frederick; Carmichael, Hugh; Stewart, Charles

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A method of prevention or treatment of diabetic neuropathy and the other long term complications of diabetes mellitus including complications in the cardovascular system kidneys, and eyes wherein effective amounts of one or both of i) gammalinolenic acid and/or one or more of the metabolites of gammalinolenic acid (DGLA, AA, 22:4 n-6 or 22:5 n-6) and ii) 18:4 n-3 and/or one or more of the metabolites of 18:4 n-3 (20:4 n-3 20:5 n-3, 22:5 n-3, 22:6 n-3) are administered against such complications as such or in the form of an ester salt, amide, or other derivative convertible in the body thereto alone, or in an acceptable pharmaceutical carrier or diluent.

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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 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 1, 1986
GrantedFebruary 5, 1991
Term endedFebruary 5, 2008
Patent numberCA 1279824 C
Classification (IPC)A61K31/20 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedOct 1, 1986Patent grantedFeb 5, 1991Term endedFeb 5, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.