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Canadian application, no grantCanada

Compounds specific to adenosine a1, a2a, and a3 receptor and uses thereof

CA 2430577 A1 · Owner: Witter, David J. · Inventors: Mckibben, Bryan; Castelhano, Arlindo L.; Witter, David J.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

This invention pertains to compounds which specifically inhibit the adenosine A1, A2A, and A3 receptors and the use of these compounds to treat a disease associated with A1, A2A, and A3 adenosine receptors in a subjects comprising , administering to the subject a therapeutically effective amount of the compounds.

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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 30, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 30, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 30, 2023.
  • 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 30, 2001
GrantedNo grant recorded
Term endedNovember 30, 2021
Patent numberCA 2430577 A1
Classification (IPC)C07D487/04 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedNov 30, 2001Term endedNov 30, 2021

Sources & verification

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