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Hybridization assay for campylobacter rrna

CA 2028012 A1 · Owner: Hudson, Geoffrey R. · Inventors: Schumm, James W.; Ekenberg, Steven J.; Dimond, Randall

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

Method of detecting the presence of one or more Campylobacter species in a test sample, and providing a plurality of oligonucleotide probes, each having a nucleotide sequence which is complementary to regions of Campylobacter 16S rRNA. The assay format consists of a solution hybridization of at least two labelled oligonucleotide probes one of which is specific to a region of a Campylobacter rRNA, and then the capture of the resulting hybrid complex on a solid support for subsequent detection and quantitation. The assay has a quantitative sensitivity to detect 1.0 x 104 bacterium per ml of test sample. A test kit and apparatus suitable for the method are described. In an expanded variation …

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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 19, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 19, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 19, 2012.
  • 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 19, 1990
GrantedNo grant recorded
Term endedOctober 19, 2010
Patent numberCA 2028012 A1
Classification (IPC)C07H21/02 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedOct 19, 1990Term endedOct 19, 2010

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