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Expired Canadian patentCanada

Perfusate for the preservation of organs

CA 1282342 C · Owner: Wisconsin Alumni Research Foundation · Inventors: Belzer, Folkert O.; Southard, James H.

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

The present invention relates to new compositions for the preservation of organs prior to implantation comprising hydroxyethyl starch substantially free of ethylene glycol ethylene chlorohydrin and acetone in a pharmaceutically acceptable organ perfusate.

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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 April 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 2, 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.
FiledSeptember 26, 1986
GrantedApril 2, 1991
Term endedApril 2, 2008
Patent numberCA 1282342 C
Classification (IPC)A01N1/02

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedSep 26, 1986Patent grantedApril 2, 1991Term endedApril 2, 2008

Sources & verification

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