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Expired Canadian patentCanada

Methods and compositions for preparation of h-arg-x-z-y-tyr-r

CA 1285099 C · Owner: Heavner, George · Inventors: Heavner, George

CIPO record

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Abstract From the Canadian patent

METHODS AND COMPOSITIONS FOR, PREPARATION OF H-ARG-X-Z-Y-TYR-R ABSTRACT OF THE DISCLOSURE, solution phase methods and compositions for preparing H-ARG-X-Z-Y-TYR-R wherein X is LYS and Y is VAL or X and Y are both SAR, Z is ASP or GLU, and R is NH2 or OH. The compositions of this peptide find use in thymic function.

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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 June 18, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 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 8, 1981
GrantedJune 18, 1991
Term endedJune 18, 2008
Patent numberCA 1285099 C
Classification (IPC)C07K7/06 +1 more

Timeline

Timeline From CIPO dates

198219851988199119941997200020032006Application filedJune 8, 1981Patent grantedJune 18, 1991Term endedJune 18, 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.