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Canadian application, no grantCanada

Benzisothiazolyl-substituted aminomethyl chromanes for treating diseases of the central nervous system

CA 2462142 A1 · Owner: Scherling, Dietrich · Inventors: Scherling, Dietrich; Karl, Wolfgang; Weinz, Corinna

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 relates to chromanes of formula (I) to a method for the , production thereof and to their use in medicaments particularly as agents for , fighting diseases of the central nervous system.

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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 September 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 18, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 18, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 18, 2002
GrantedNo grant recorded
Term endedSeptember 18, 2022
Patent numberCA 2462142 A1
Classification (IPC)C07D417/12 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedSep 18, 2002Term endedSep 18, 2022

Sources & verification

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