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Canadian application, no grantCanada

Mhc subunit conjugates useful in ameliorating deleterious immune responses

CA 2123228 A1 · Owner: Mcconnell, Harden M. · Inventors: Nag, Bishwajit; Clark, Brian R.; Sharma, Somesh D.

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 is directed to complexes comprising an isolated MHC subunit component, an antigenic peptide and in some, cases, an effector component. The antigenic peptide is associated with the antigen binding site of the MHC subunit component. These complexes are useful in treating autoimmune disease.

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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 November 18, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 18, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 18, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 18, 1992
GrantedNo grant recorded
Term endedNovember 18, 2012
Patent numberCA 2123228 A1
Classification (IPC)C07K14/74 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedNov 18, 1992Term endedNov 18, 2012

Sources & verification

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