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Canadian application, no grantCanada

Tartrate salts of thiazolidinedione derivative

CA 2417829 A1 · Owner: Mackenzie, Donald Colin · Inventors: O'Keeffe, Deirdre; Mackenzie, Donald Colin; Ho, Tim Chien Ting

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

A novel pharmaceutical compound 5-4-(N-methyl-N-(2pyridyl)amino)ethoxybenzylthiazolidine-2,4-dione D(-) Tartrate or a solvate thereof, a process for preparing such a compound a pharmaceuitcal composition , comprising such a compound and the use of such a compound in medicine.

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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 August 3, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 3, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 3, 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.
FiledAugust 3, 2001
GrantedNo grant recorded
Term endedAugust 3, 2021
Patent numberCA 2417829 A1
Classification (IPC)C07D417/12 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedAug 3, 2001Term endedAug 3, 2021

Sources & verification

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