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Expired Canadian patentCanada

Antagonists of the antidiuretic and/or vasopressor action of arginine vasopressin

CA 1185235 A · Owner: The Trustees Of Columbia University In The City Of New York · Inventors: Manning, Maurice; Sawyer, Wilbur H.

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Abstract From the Canadian patent

INVENTORS: Maurice Manning, Wilbur H. Sawyer TITLE: Novel Antagonists of the Antidiuretic and/or Vasopressor Action of Arginine, Vasopressin ABSTRACT, Compounds acting as antagonists of the antidiuretic activity of arginine vasopressin are of the formula, wherein X is Tyr-X'; Tyr- is D- or L-; X' is methyl, ethyl, n-propyl, isopropyl or butyl; W is Pro or .DELTA.3-Pro; and Z is L- or D-Arg. Compounds wherein X is D-Tyr(X') and X' is H or X is D-Phe, D-Val, D-Leu, D-Ile, D-Arg D-nor-, valine, D-norleueine, D-cyclohexylalanine D-.alpha.-, aminobutyric acid, D-threonine or D-methionine; W- is Pro and Z- is D- or L-Arg also act as antagonists of the antidiuretic activity of arginine …

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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 9, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 9, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 3, 1982
GrantedApril 9, 1985
Term endedApril 9, 2002
Patent numberCA 1185235 A
Classification (IPC)C07K7/16 +1 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedMarch 3, 1982Patent grantedApril 9, 1985Term endedApril 9, 2002

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