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Expired Canadian patentCanada

Method of determining the viability of tissue in an organism

CA 1285873 C · Owner: Wilson, Richard A. · Inventors: Wilson, Richard A.; Angello, Debra A.

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Abstract From the Canadian patent

Abstract of the Disclosure, A method of determining the viability of tissue in a region of an organism comprises the steps of introducing an ATP repleting agent into the region and monitoring the region to determine its effect on T1-201 distribution in the region. The capability of viable tissue to synthesize ATP and increase its ATP stores provides an indication of the viability of the tissue, in the region. In a preferred embodiment of the method, ribose, which is a high energy phosphate precursor and an ATP repleting agent, is introduced into heart tissue that is being monitored by T1-201 scintigraphy. The ribose increases the rate and extent of T1-201 distribution in the heart tissue …

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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 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 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.
FiledJune 10, 1987
GrantedJuly 9, 1991
Term endedJuly 9, 2008
Patent numberCA 1285873 C
Classification (IPC)A61K49/00

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJune 10, 1987Patent grantedJuly 9, 1991Term endedJuly 9, 2008

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