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Canadian application, no grantCanada

Nucleic acid probes useful fo the detection of mycobacterium tuberculosis

CA 2106869 A1 · Owner: University Of British Columbia · Inventors: Altamirano, Manuel; Smith, John A.

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 for detecting the presence of M. tuberculosis in a biological sample is provided, comprising the steps of: (a) treating cells contained within the biological sample to expose cellular nucleic acids; (b) incubating the cellular nucleic acids with a labeled M. tuberculosis specific probe under conditions and for a time sufficient for hybridization to occur; and (c) detecting the presence of the hybridized labeled M. tuberculosis, specific probe. Also provided within this invention is a polypeptide derived from M. tuberculosis.

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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 22, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 22, 2011.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 22, 2013.
  • 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 22, 1991
GrantedNo grant recorded
Term endedMarch 22, 2011
Patent numberCA 2106869 A1
Classification (IPC)C12Q1/68 +2 more

Timeline

Timeline From CIPO dates

1992199419961998200020022004200620082010Application filedMarch 22, 1991Term endedMarch 22, 2011

Sources & verification

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