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Expired Canadian patentCanada

Mitogenic peptides

CA 1299814 C · Owner: Jewish Hospital Of St. Louis · Inventors: Wilner, George Dubar

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

Novel tetradecapeptidss having the following sequence were found useful as a growth stimulator for macrophage-like cells:, H-Tyr-Pro-Pro-X-Asn-Lys-Asn-Phe-Thr-Glu-Asn-Asp-Leu-Leu-OH wherein X = Trp or Tyr, or the physiolosically acceptable salts, esters or amides thereof.

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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 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 14, 1986
GrantedApril 28, 1992
Term endedApril 28, 2009
Patent numberCA 1299814 C
Classification (IPC)C07K7/08 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedOct 14, 1986Patent grantedApril 28, 1992Term endedApril 28, 2009

Sources & verification

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