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Expired Canadian patentCanada

Antihyperlipidemic amines

CA 1333157 C · Owner: Griffin, Thomas Scott · Inventors: Docks, Edward L.; Griffin, Thomas Scott; Hall, Iris H.

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

Long chain aliphatic amines of the formula in which said R1 is alkyl having from about 8 to about 20 carbon atoms and R2 is hydrogen or alkyl of 1 to about 3 carbon atoms, are hypolipidemic agents being effective, in decreasing the serum cholesterol and triglyceride levels in mammals.

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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 22, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 22, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 11, 1989
GrantedNovember 22, 1994
Term endedNovember 22, 2011
Patent numberCA 1333157 C
Classification (IPC)A61K31/13

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedApril 11, 1989Patent grantedNov 22, 1994Term endedNov 22, 2011

Sources & verification

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