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Expired Canadian patentCanada

Qualitative and quantitative mass spectral analysis

CA 2585453 C · Owner: Gu, Ming · Inventors: Wang, Yongdong; Gu, Ming

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Abstract From the Canadian patent

A method for analyzing data from a mass spectrometer includes the steps of acquiring raw mass spectral data in a profile mode (510); generating a peak list containing one of peak mass locations and peak mass ranges (510C) and being representative of candidate ions (510G); calculating a theoretical mass spectral isotope profile for each of the candidate ions (510H); forming a different peak component matrix for each of the candidate ions identified (510); performing regression analysis involving the peak component matrix for each of the candidate ions and the acquired profile mode data (510J); and ranking the candidate ions with a fitting statistic with that ion corresponding to the …

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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 October 28, 2005 and granted February 18, 2020. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 28, 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.
FiledOctober 28, 2005
GrantedFebruary 18, 2020
Term endedOctober 28, 2025
Patent numberCA 2585453 C
Classification (IPC)H01J49/00

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedOct 28, 2005Patent grantedFeb 18, 2020Term endedOct 28, 2025

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