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Canadian application, no grantCanada

Cell-based high-throughput screening methods

CA 2451795 A1 · Owner: Nixon, Ralph A. · Inventors: Jiang, Ying; Mathews, Paul M.; Nixon, Ralph A.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention describes cell-based screening methods that allows for the elimination of false-positive results due to nonspecific toxicity of test compounds, while detecting those compounds that specifically modulate cellular metabolites in metabolic pathways associated with diseases and disorders. The methods of the invention involved determining within a cell system the levels of both a metabolic precursor and a metabolite of interest that are associated with disease and disease progression with particular regard to Alzheimer's disease.

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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 June 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 26, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 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.
FiledJune 26, 2002
GrantedNo grant recorded
Term endedJune 26, 2022
Patent numberCA 2451795 A1
Classification (IPC)C12N15/85 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJune 26, 2002Term endedJune 26, 2022

Sources & verification

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