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Canadian application, no grantCanada

Band array display of polynucleotide separations

CA 2284164 A1 · Owner: Taylor, Paul D. · Inventors: Gjerde, Douglas T.; Taylor, Paul D.

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 and apparatus for representing double stranded nucleic acid fragments which have been separated by a chromatographic process as an array of bands which can be accurately quantified, optimized and stored. Using for example, a Matched Ion Polynucleotide Chromatography (MIPC) process an analog output , from a UV detector is digitized and input to a computer. The digitized signal is converted to a linear array of bands which may be displayed on a video display terminal. The intensity and/or color of a band may correlate to the amount of double stranded nucleic acid in the respective fraction or the respective double stranded nucleic acid fragment above a user selected threshold …

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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 March 13, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 13, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 13, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 13, 1998
GrantedNo grant recorded
Term endedMarch 13, 2018
Patent numberCA 2284164 A1
Classification (IPC)C12Q1/68 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedMarch 13, 1998Term endedMarch 13, 2018

Sources & verification

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