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Expired Canadian patentCanada

Synthetic peptide antigens for the detection of hiv-1 infection

CA 1338028 C · Owner: Jeansson, Stig · Inventors: Horal, Peter; Rymo, Lars; Svennerholm, Bo

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Abstract From the Canadian patent

Synthetic peptides corresponding to regions of immunologically reactive proteins of HIV-1 are provided. The peptides which are immunologically reactive with HIV-1 specific antibodies are useful in assays for detection of HIV-1 infection or exposure and in compositions to elicit the production of antibodies against HIV-1 in animals including man.

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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 January 30, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 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 25, 1988
GrantedJanuary 30, 1996
Term endedJanuary 30, 2013
Patent numberCA 1338028 C
Classification (IPC)C07K14/16 +2 more

Timeline

Timeline From CIPO dates

198919921995199820012004200720102013Application filedMarch 25, 1988Patent grantedJan 30, 1996Term endedJan 30, 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.