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Expired Canadian patentCanada

Radiolabeled compounds for thrombus imaging

CA 2363780 C · Owner: Dean, Richard T. · Inventors: Lister-James, John; Mcbride, William; Civitello, Edgar R.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

This invention relates to a radiolabeled scintigraphic imaging agents and , methods and, reagents for producing such agents. Specifically the invention relates to , specific binding compounds, including peptides, that bind to a platelet receptor that is the platelet, GPIIb/IIIa receptor, methods and kits for making such compounds and methods for using, such compounds labeled with technitium-99m via a covalently-linked radiolabelbinding, moiety to image thrombi in a mammalian body.

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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

  • Filed April 8, 1994 and granted January 7, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 8, 2014.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 8, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 8, 1994
GrantedJanuary 7, 2003
Term endedApril 8, 2014
Patent numberCA 2363780 C
Classification (IPC)C07K14/00 +2 more

Timeline

Timeline From CIPO dates

1995199719992001200320052007200920112013Application filedApril 8, 1994Patent grantedJan 7, 2003Term endedApril 8, 2014

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