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Expired Canadian patentCanada

Method for rapid and sensitive detection of igm retroviral antibodies

CA 1296626 C · Owner: Osther, Kurt B. · Inventors: Dyll, Louis M.; Osther, Kurt B.

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 rapid and sensitive assay method for the detection of IgM antibody or the simultaneous detection of IgG and IgM antibody to retroviruses including HIV-1, and HIV-2, and diagnostic test kits for carrying out the method is provided. According to the method of the invention, results are obtainable within 70 minutes.

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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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 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.
FiledJuly 6, 1988
GrantedMarch 3, 1992
Term endedMarch 3, 2009
Patent numberCA 1296626 C
Classification (IPC)C12Q1/70 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedJuly 6, 1988Patent grantedMarch 3, 1992Term endedMarch 3, 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.