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Canadian application, no grantCanada

Agarose format for mammalian cell based reporter assays

CA 2339852 A1 · Owner: Bristol-Myers Squibb Company · Inventors: Brown, Daniel M.; Civoli, Francesca

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

The present invention provides a novel method of using mammalian cells under a layer of agarose or embedded in agarose for transcription activation assays where a functional response can be detected from the cells under a layer of agarose or embedded in agarose. The invention for the first time provides an agarose format for mammalian cell-based reporter assays useful in high throughput screening.

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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 August 5, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 5, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 5, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 5, 1999
GrantedNo grant recorded
Term endedAugust 5, 2019
Patent numberCA 2339852 A1
Classification (IPC)G01N33/53 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedAug 5, 1999Term endedAug 5, 2019

Sources & verification

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