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Expired Canadian patentCanada

Method for the treatment of grafts prior to transplantation

CA 1339092 C · Owner: Shefter, Eli · Inventors: Palladino, Michael A.; Shefter, Eli; Czarniecki, Christine W.

CIPO record

Overview

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

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Abstract From the Canadian patent

A method is provided for the treatment of grafts such as tissue or organs prior to transplantation into a suitable host. The grafts are incubated coated, or perfused with TGF-.beta. for an effective time for the uptake of the agent into the grafts and induction of its biological effects. The thus-treated graft is then transplanted into a compatible host preferably a human host.

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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 29, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 29, 2014.
  • 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 28, 1989
GrantedJuly 29, 1997
Term endedJuly 29, 2014
Patent numberCA 1339092 C
Classification (IPC)A61L27/00 +2 more

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedSep 28, 1989Patent grantedJuly 29, 1997Term endedJuly 29, 2014

Sources & verification

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