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Canadian application, no grantCanada

Sesquiterpenoid derivatives having adipocyte differentiation inhibitory effect

CA 2457644 A1 · Owner: Yamada, Masashi · Inventors: Iinuma, Munekazu; Tanaka, Toshiyuki; Yamada, Masashi

CIPO record

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Abstract From the Canadian patent

The objective of the present invention is to identify compounds having an inhibitory effect on adipocyte differentiation and to provide pharmaceutical , compositions and food compositions for prevention improvement, or treatment , of obesity or obesity related diseases. By enthusiastically studying natural products that inhibit the differentiation induction of adipocyte precursors into adipocytes, sesquiterpenoid derivatives which are extracts from a , Compositae plant Calea, growing in Central and South America were , demonstrated to have an excellent inhibitory effect on adipocyte differentiation induction. Calea extract or the sesquiterpenoid derivatives are expected to be used in …

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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 August 9, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 9, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 9, 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.
FiledAugust 9, 2002
GrantedNo grant recorded
Term endedAugust 9, 2022
Patent numberCA 2457644 A1
Classification (IPC)C07D493/04 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedAug 9, 2002Term endedAug 9, 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.