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Canadian application, no grantCanada

A method for generating antigen-presenting cells

CA 2487452 A1 · Owner: Merck Patent Gesellschaft Mit Beschraenkter Haftung · Inventors: Moll, Heidrun; Ramirez-Pineda, Robinson

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

Described is a method for the generation of antigen-presenting cells (APC) preferably bone marrow-derived dendritic cells (BMDC) or peripheral bloodderived dendritic cells, as antigen carrier having immunostimulatory properties for anti-infective treatment comprising the steps of (a) pulsing the APC with antigen and (b) treating the APC with a CpG oligonucleotide. Said APC are useful as an immune prophylactic or immune therapeutic agent against diseases like AIDS, tuberculosis, malaria or leishmaniasis.

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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 27, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 27, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 27, 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 27, 2003
GrantedNo grant recorded
Term endedMay 27, 2023
Patent numberCA 2487452 A1
Classification (IPC)C12N5/07 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedMay 27, 2003Term endedMay 27, 2023

Sources & verification

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