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Expired Canadian patentCanada

Treatment of oral diseases

CA 1281655 C · Owner: Sampathkumar, Padmini · Inventors: Sampathkumar, Padmini

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

This invention relates to a method for treating or preventing anaerobe infections in humans and lower animals. This invention further relates to compositions and kits useful for treating or preventing anaerobe infections according to the method of the present invention.

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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 March 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 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.
FiledMay 22, 1986
GrantedMarch 19, 1991
Term endedMarch 19, 2008
Patent numberCA 1281655 C
Classification (IPC)A61K31/32 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedMay 22, 1986Patent grantedMarch 19, 1991Term endedMarch 19, 2008

Sources & verification

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