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Expired Canadian patentCanada

A differential labelling method with a platinum compound

CA 2448587 C · Owner: Primosa International N.V. · Inventors: Van Gijlswijk, Robertus Petrus Maria; Veuskens, Jacky Theo Maria; Heetebrij, Robert Jochem

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Abstract From the Canadian patent

The invention relates to a method for differentially labelling one or more entities through a platinum-linker, comprising connecting a marker with said one or more entities via a platinum linker wherein said entities together, comprising one or more sulphur containing reactive sites and one or more nitrogen containing reactive sites, wherein a complex of a platinum compound and a marker is formed, and wherein said platinum compound is reacted with said one or more entities such that substantially only sulphur containing reactive sites or substantially only nitrogen containing reactive sites are linked to said platinum compound.

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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 May 24, 2002 and granted July 24, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 24, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 24, 2024.
  • 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 24, 2002
GrantedJuly 24, 2012
Term endedMay 24, 2022
Patent numberCA 2448587 C
Classification (IPC)G01N33/58 +1 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedMay 24, 2002Patent grantedJuly 24, 2012Term endedMay 24, 2022

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