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Canadian application, no grantCanada

Composition and methods for treatment of hiv infection

CA 2319356 A1 · Owner: Childrens Hospital Los Angeles Research Institute · Inventors: Avramis, Vassilios I.; Cohen, Lewis

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

Method of inhibiting or treating Human Immunodeficiency Virus (HIV) infection comprising administering to a patient in need thereof an effective amount of a pharmaceutically acceptable composition comprising a PEG-ASNase compound and optionally at least one compound selected from the group consisting of protease inhibitor compounds, ribonucleotide reductase inhibitor compounds and HIV reverse transcriptase inhibitor compounds.

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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 February 9, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 9, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 9, 2021.
  • 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 9, 1999
GrantedNo grant recorded
Term endedFebruary 9, 2019
Patent numberCA 2319356 A1
Classification (IPC)A61K38/50

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedFeb 9, 1999Term endedFeb 9, 2019

Sources & verification

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