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Expired Canadian patentCanada

Method for analyzing lipoproteins

CA 2588693 C · Owner: Okazaki, Mitsuyo · Inventors: Okazaki, Mitsuyo

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

A method of analysis of lipoproteins according to the present invention comprises the steps of: separating a plurality of classes of lipoproteins contained in a subject sample by liquid chromatography and then detecting signals derived from components included in the separated lipoproteins; and assuming that the lipoproteins are constituted of subclasses estimated from component peaks comprising anchor peaks and extra essential peaks and then calculating an approximated curve corresponding to summation of the component peaks using the above described detected signals.

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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 November 24, 2005 and granted May 14, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 24, 2025.
  • 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.
FiledNovember 24, 2005
GrantedMay 14, 2013
Term endedNovember 24, 2025
Patent numberCA 2588693 C
Classification (IPC)G01N30/86 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 24, 2005Patent grantedMay 14, 2013Term endedNov 24, 2025

Sources & verification

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