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Expired Canadian patentCanada

Trienamide compounds having anti-inflammatory and analgesic activity

CA 1295341 C · Owner: Lahann, Thomas Robert · Inventors: Janusz, John Michael; Loomans, Maurice Edward; Lahann, Thomas Robert

CIPO record

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

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Abstract From the Canadian patent

Trienamide Compounds HAVING, ANTI-INFLAMMATORY AND ANALGESIC ACTIVITY ABSTRACT, Trienamide compounds, and pharmaceutically-acceptable salts thereof, of the formula:, wherein R is a straight or branched chain tri-unsaturated fatty acid amide having from 14 to 24 carbon atoms exhibit anti-inflammatory and analgesic activity when administered to humans and lower animals.

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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 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 4, 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.
FiledDecember 18, 1985
GrantedFebruary 4, 1992
Term endedFebruary 4, 2009
Patent numberCA 1295341 C
Classification (IPC)C07C233/22 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedDec 18, 1985Patent grantedFeb 4, 1992Term endedFeb 4, 2009

Sources & verification

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