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Expired Canadian patentCanada

Hiv-2 virus variants

CA 1340747 C · Owner: Diagen Institut Fur Molekularbiolgische Diagnostik Gmbh · Inventors: Adamski, Michalina; Kuhnel, Herbert; Rubsamen-Waigmann, Helga

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

HIV-2 virus variants, namely virus HIV D194 and virus HIV D205, which can be cloned from the corresponding virus isolate HIV D194 (ECACC V 87122303) or from the infected cell line HUT 194 (ECACC V 87122306) or from the virus isolate HIV D205 (ECACC V 87122304), respectively, and their RNA or RNA-fragments and DNA and DNA-fragments derived therefrom and/or proteins and the use thereof for diagnostics and therapy.

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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 September 14, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 14, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 13, 1989
GrantedSeptember 14, 1999
Term endedSeptember 14, 2016
Patent numberCA 1340747 C
Classification (IPC)C12N7/00 +2 more

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedJune 13, 1989Patent grantedSep 14, 1999Term endedSep 14, 2016

Sources & verification

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