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Expired Canadian patentCanada

Radiolabeled anti-platelet monoclonal antibody for imaging in-vivo thrombi

CA 1333264 C · Owner: Coller, Barry S. · Inventors: Meinken, George E.; Coller, Barry S.; Srivastava, Suresh C.

CIPO record

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Abstract From the Canadian patent

There is provided a radiolabeled monoclonal antibody of the class IgG1 which reacts readily with both normal human and dog blood platelets while failing to react with thrombasthenic human platelets. This antibody has the property of completely blocking interaction of fibrinogen with platelets induced by ADP, and the ability to detect fresh thrombi in vivo.

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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 November 29, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 29, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 15, 1986
GrantedNovember 29, 1994
Term endedNovember 29, 2011
Patent numberCA 1333264 C
Classification (IPC)C07K16/28 +2 more

Timeline

Timeline From CIPO dates

198719901993199619992002200520082011Application filedMay 15, 1986Patent grantedNov 29, 1994Term endedNov 29, 2011

Sources & verification

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