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Expired Canadian patentCanada

Glucan-based vaccines

CA 2485847 C · Owner: Cassone, Antonio · Inventors: Cassone, Antonio; Polonelli, Luciano

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

Anti-glucan antibodies have been found to be protective against systemic fungal infection with C.albicans, but the protective efficacy can be inhibited by blocking antibodies. The invention provides an immunogenic composition comprising a glucan and a pharmaceutically acceptable carrier characterised , in that, when administered to a mammalian recipient the composition elicits , protective anti-glucan antibodies but does not elicit antibodies which inhibit the protective efficacy of the anti-glucan antibodies. The glucan may be presented on the surface of a protease-treated microbial cell or may be presented as a protein-glucan conjugate. The glucan may be substituted by a glucan …

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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 15, 2003 and granted December 31, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 15, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 15, 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 15, 2003
GrantedDecember 31, 2013
Term endedMay 15, 2023
Patent numberCA 2485847 C
Classification (IPC)A61K39/38 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedMay 15, 2003Patent grantedDec 31, 2013Term endedMay 15, 2023

Sources & verification

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