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Expired Canadian patentCanada

Antiviral compositions containing aromatic polycyclic diones and method for treating retrovirus infections

CA 1329133 C · Owner: Revel, Michel · Inventors: Velde, Vincent Vande; Lavie, Gad; Revel, Michel

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

Pharmaceutical formulations comprising aromatic polycyclic dione compounds useful for treating mammals suffering from diseases caused by retroviruses are disclosed herein. A method for treating mammals suffering from retrovirus infections is also disclosed.

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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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 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.
FiledAugust 10, 1988
GrantedMay 3, 1994
Term endedMay 3, 2011
Patent numberCA 1329133 C
Classification (IPC)A61K31/12

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedAug 10, 1988Patent grantedMay 3, 1994Term endedMay 3, 2011

Sources & verification

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