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Expired Canadian patentCanada

Method for analysing metabolites

CA 2547755 C · Owner: Max Planck Gesellschaft Zur Forderung Der Wissenschaften E.V. · Inventors: Erban, Alexander; Kopka, Joachim; Ludemann, Alexander

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Abstract From the Canadian patent

Described is a method for analysing the metabolites of a biological sample which comprises quantitatively determining one or more metabolites in said sample in a way that said quantitative determination resolves isotopic mass differences within one metabolite, said method being characterized in that the sample comprises or is derived from a cell which has been maintained under conditions allowing the uptake of an isotopically labeled metabolizable compound so that the metabolites in said cell are saturated with the isotope with which said metabolizable compound is labeled. This method may further comprise, prior to quantitative determining the metabolites combining the , biological …

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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 December 17, 2004 and granted June 3, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 17, 2024.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 17, 2004
GrantedJune 3, 2014
Term endedDecember 17, 2024
Patent numberCA 2547755 C
Classification (IPC)G01N33/58 +1 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedDec 17, 2004Patent grantedJune 3, 2014Term endedDec 17, 2024

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