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Expired Canadian patentCanada

Solution phase nucleic acid sandwich assay and polynucleotide probes useful therein

CA 1303033 C · Owner: Warner, Brian · Inventors: Horn, Thomas; Urdea, Michael Steven; Warner, Brian

CIPO record

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Abstract From the Canadian patent

Methods and compositions are provided for rapid detection of nucleic acid sequences. The method employs two reagent sets. The first set is a labeling set comprising: (1) a first nucleic acid sequence probe having an analyte complementary region and a first recognition sequence region and (2) a labeled sequence complementary to the first recognition sequence region. The second set is a capturing set comprising: (1) a second nucleic acid sequence probe having an analyte complementary region and a second recognition sequence region, (2) a specific binding pair member conjugated to a sequence complementary to the second recognition sequence, and (3) a separating means to which is bound a …

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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

  • Granted June 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 4, 1986
GrantedJune 9, 1992
Term endedJune 9, 2009
Patent numberCA 1303033 C
Classification (IPC)C07H19/06 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedDec 4, 1986Patent grantedJune 9, 1992Term endedJune 9, 2009

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