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Canadian application, no grantCanada

Antitumoral carbazoles

CA 2431107 A1 · Owner: Urban, Sylvia · Inventors: Garcia Gravalos, Dolores; Munro, Murray Herbert Gibson; Urban, Sylvia

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 invention provides a compound of formula (I). This invention relates to heterocyclic compounds. It further relates to methods for their preparation compositions cotaining them and their use as a medicament particularly as a , medicament for the treatment and prophylaxis of cancer.

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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 December 13, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 13, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 13, 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.
FiledDecember 13, 2001
GrantedNo grant recorded
Term endedDecember 13, 2021
Patent numberCA 2431107 A1
Classification (IPC)C07D209/88 +1 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedDec 13, 2001Term endedDec 13, 2021

Sources & verification

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