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Expired Canadian patentCanada

Antifungal 2-heterocyclyl-1,3-bis-triazolyl- propan-2-ols

CA 1238909 A · Owner: Pfizer Corporation · Inventors: Richardson, Kenneth; Cooper, Kelvin

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Abstract, 2-Heterocyclyl-1,3-bis(1H-1,2,4-triazol-1-yl)propan-2-ols are antifungal agents useful in the treatment of fungal infections in humans and other 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 July 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 5, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 10, 1983
GrantedJuly 5, 1988
Term endedJuly 5, 2005
Patent numberCA 1238909 A
Classification (IPC)C07D401/14 +2 more

Timeline

Timeline From CIPO dates

19841987199019931996199920022005Application filedJune 10, 1983Patent grantedJuly 5, 1988Term endedJuly 5, 2005

Sources & verification

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