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Canadian application, no grantCanada

Substituted indoles and their use as hcv inhibitors

CA 2501547 A1 · Owner: Darwish, Ihab S. · Inventors: Darwish, Ihab S.; Thota, Sambaiah; Kolluri, Rao S. S.

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 comprises indole-derivatives that are inhibitors of HCV. Composition comprising the compounds in combination with a pharmaceutically acceptable carrier are also disclosed, as are methods of using the compounds and compositions to inhibit HCV infection of a cell particular in the form of , treating HCV infection in a mammal.

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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 October 15, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 15, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 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.
FiledOctober 15, 2003
GrantedNo grant recorded
Term endedOctober 15, 2023
Patent numberCA 2501547 A1
Classification (IPC)C07D409/12 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedOct 15, 2003Term endedOct 15, 2023

Sources & verification

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