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Canadian application, no grantCanada

Inactivation of hiv co-receptors as therapy for hiv infection

CA 2273192 A1 · Owner: Chen, Ji-Dai · Inventors: Chen, Si-Yi; Bai, Xuefan; Yang, An-Gang

CIPO record

Overview

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

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Abstract From the Canadian patent

The present invention provides compositions and methods for the treatment and/or prevention of HIV-1 infection. In particular the present invention , employs novel compositions and methods for preventing the cell surface expression of a co-receptor necessary for the binding of HIV to its target cells.

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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 December 2, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 2, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 2, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 2, 1997
GrantedNo grant recorded
Term endedDecember 2, 2017
Patent numberCA 2273192 A1
Classification (IPC)C12N15/85 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedDec 2, 1997Term endedDec 2, 2017

Sources & verification

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