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Expired Canadian patentCanada

Retrovirus capable of causing aids, means and methods for detecting it in vitro

CA 1338323 C · Owner: Montagnier, Luc · Inventors: Alizon, Marc; Clavel, Francois; Guyader, Mireille

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Abstract From the Canadian patent

The present invention relates to a new class of retrovirus, named HIV-2, which samples were deposited with the ECACC under n° 87.01.1001 and 87.01.1002 and with the NCIB under n° 12.398 and 12.399. This invention also relates to antigens obtained from this virus, particularly to proteins p12, p16 p26 and gp140. These antigens are used for the in vitro diagnosis in man of potentiality for certain forms of AIDS by being, placed in contact with the serum of the man being diagnosed. The invention also relates to immunogenic compositions containing more particularly glycoprotein gp140. This invention relates to the application of cloned DNA sequences, derived from the RNA of HIV-2 as, probes in …

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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 14, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 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.
FiledFebruary 10, 1987
GrantedMay 14, 1996
Term endedMay 14, 2013
Patent numberCA 1338323 C
Classification (IPC)C12N15/49 +2 more

Timeline

Timeline From CIPO dates

198819911994199720002003200620092012Application filedFeb 10, 1987Patent grantedMay 14, 1996Term endedMay 14, 2013

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