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Expired Canadian patentCanada

Chaotropic method for evaluating nucleic acids in a biological sample

CA 1301606 C · Owner: Gillespie, David H. · Inventors: Gillespie, David H.

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

The present invention is directed to the discovery that nucleic acid components of a biological sample may be detected and/or quantified utilizing a process wherein the biological sample is first solubilized with a chaotropic salt solution and this solution, containing dissolved nucleic acid, evaluated directly for nucleic acids by molecular hybridization utilizing a labeled probe. The labeled probe may be in immobilized form or may be in solution. A8.1.TXT

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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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 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.
FiledMay 1, 1987
GrantedMay 26, 1992
Term endedMay 26, 2009
Patent numberCA 1301606 C
Classification (IPC)C12N15/00 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMay 1, 1987Patent grantedMay 26, 1992Term endedMay 26, 2009

Sources & verification

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