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Expired Canadian patentCanada

Facilitated oxygen delivery in conjunction with hemodilution

CA 2315877 C · Owner: Keipert, Peter E. · Inventors: Zuck, Thomas F.; Keipert, Peter E.; Reiss, Jean G.

CIPO record

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Abstract From the Canadian patent

A method for facilitating autologous blood use by a patient facing a loss of blood, comprising the steps of removing and preferably storing a portion of the patient's blood intravenously , administering a biocompatible liquid in sufficient quantity to substantially maintain the patient's hemodynamic stability wherein the liquid , comprises an effective oxygen-delivery enhancing amount of a biocompatible synthetic oxygen carrier after which the patient , undergoes a loss of blood and then readministering, blood to the patient preferably the stored blood. Also disclosed are use of biocompatible synthetic oxygen carriers in preparation of medicaments for use in the method, and compositions …

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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

  • Filed February 26, 1993 and granted May 13, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 26, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 26, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 26, 1993
GrantedMay 13, 2003
Term endedFebruary 26, 2013
Patent numberCA 2315877 C
Classification (IPC)A61K35/14 +2 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedFeb 26, 1993Patent grantedMay 13, 2003Term endedFeb 26, 2013

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