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Expired Canadian patentCanada

Viral chimeras comprised of caev and hiv-1 genetic elements

CA 2330618 C · Owner: University Of Southern California · Inventors: Douvas, Angeline; Parr, Tyler B.

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 present invention provides a polynucleotide comprising portions of the genomes of caprine arthritis-encephalitis virus and HIV-1 resulting in a , chimeric retrovirus referred to as a "CHIV". The invention also provides a vaccine comprising a CHIV immunogen and a pharmaceutically acceptable carrier. A method of stimulating an immune response in an individual against human immunodeficiency virus-1 infection by administering a therapeutically effective amount of a CHIV immunogen is also provided. The invention further provides a method of stimulating an immune response in vitro by contacting a lymphocyte with a therapeutically effective amount of a CHIV immunogen.

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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 April 30, 1999 and granted July 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 30, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 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.
FiledApril 30, 1999
GrantedJuly 3, 2012
Term endedApril 30, 2019
Patent numberCA 2330618 C
Classification (IPC)A61K39/21 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedApril 30, 1999Patent grantedJuly 3, 2012Term endedApril 30, 2019

Sources & verification

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