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Canadian application, no grantCanada

Pyrazoloquinolines with immunomodulating activity

CA 2506524 A1 · Owner: Thrige, Dorthe Da Graca · Inventors: Thrige, Dorthe Da Graca; Coulter, Thomas Stephen; Brennan, Chris James

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

The present invention relates to novel heterocyclic compounds to methods for , their preparation, to compositions containing them and to methods and use for , clinical treatment of medical conditions which may benefit from immunomodulation, including rheumatoid arthritis multiple sclerosis, diabetes, asthma, transplantation systemic lupus erythematosis and psoriasis. More particularly the present invention relates to novel heterocyclic compounds, which are CD80 antagonists capable of inhibiting the interactions between CD80 and CD28.

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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 21, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 21, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 21, 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.
FiledNovember 21, 2003
GrantedNo grant recorded
Term endedNovember 21, 2023
Patent numberCA 2506524 A1
Classification (IPC)C07D471/06 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedNov 21, 2003Term endedNov 21, 2023

Sources & verification

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