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Canadian application, no grantCanada

Aryl boronate functionalized polymers for treating obesity

CA 2487857 A1 · Owner: Mandeville, Harry W. Iii · Inventors: Holmes-Farley, Stephen Randall; Polomoscanik, Steven C.; Li, Xinhua

CIPO record

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Abstract From the Canadian patent

Disclosed are polymers comprising one or more phenyl boronate ester boronamide or boronate thioester groups. The phenyl boronate ester boronamide , and boronate thioester groups are represented by one of the following structural formulas: Ar in Structural Formulas (I) and (II) is substituted or unsubstituted; and each Z is O-, NH-or -S- and is independently selected. Pharmaceutically acceptable salts of the polymer are also included. The arly boronate ester, boronamide or boronate thioester can be cleaved to release the corresponding aryl boronic acid. Also disclosed are pharmaceutical compositions comprising the polymers of the present invention and a pharmaceutically acceptable …

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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 July 1, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 1, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 1, 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.
FiledJuly 1, 2002
GrantedNo grant recorded
Term endedJuly 1, 2022
Patent numberCA 2487857 A1
Classification (IPC)C08F20/60 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJuly 1, 2002Term endedJuly 1, 2022

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