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Canadian application, no grantCanada

Benzocarbazoles and indenoindoles as estrogenic agents

CA 2331631 A1 · Owner: Collini, Michael David · Inventors: Miller, Chris Paul; Tran, Bach Dinh; Collini, Michael David

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 relates to new substituted benzoacarbazoles and indenoindoles having general structures (I) or (II) which are useful as estrogenic agents, as well as pharmaceutical compositions and mehtods of treatment utilizing these compounds alone or in combination with one or more estrogens.

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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 May 11, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 11, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 11, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 11, 1999
GrantedNo grant recorded
Term endedMay 11, 2019
Patent numberCA 2331631 A1
Classification (IPC)C07D401/12 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedMay 11, 1999Term endedMay 11, 2019

Sources & verification

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