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Canadian application, no grantCanada

Polypeptide antigen inducing hiv neutralizing antibodies

CA 2485453 A1 · Owner: El Habib, Raphaeelle · Inventors: Boudet, Florence; El Habib, Raphaeelle; Krell, Tino

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

The invention concerns a polypeptide of formula N-L-C wherein N represents , the sequence of amino acids 25-81 of gp41 C represents the sequence of amino , acids 112-157 of gp41 and L represents the flexible linker comprising 2 to 30 amino acids, for preparing a pharmaceutical composition for inducing antibodies neutralizing HIV primary isolates.

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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

  • Filed May 12, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 12, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 12, 2025.
  • 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 12, 2003
GrantedNo grant recorded
Term endedMay 12, 2023
Patent numberCA 2485453 A1
Classification (IPC)C12N15/49 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedMay 12, 2003Term endedMay 12, 2023

Sources & verification

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