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Expired Canadian patentCanada

Diagnostic assay for inhibitor of tissue-type and urokinase-type plasminogen activator

CA 1252715 A · Owner: Scripps Clinic And Research Foundation · Inventors: Schleef, Raymond R.; Loskutoff, David J.

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Abstract From the Canadian patent

A biochemical reagent system and methods for preparing and using same, as well as diagnostics utilizing the reagent system are disclosed. The biochemical reagent system comprises a receptor raised in an animal host to plasminogen activator inhibitor, and indicating means. The receptor binds to a specific plasminogen activator inhibitor that itself binds to tissue-type or urokinase-type plasminogen activators.

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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 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 18, 2006.
  • 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 21, 1985
GrantedApril 18, 1989
Term endedApril 18, 2006
Patent numberCA 1252715 A
Classification (IPC)G01N33/50 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedJune 21, 1985Patent grantedApril 18, 1989Term endedApril 18, 2006

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