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Title:
CRYSTAL OF BISFLUORENE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2020/059710
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a crystal of bisfluorene 9,9-bis[4-(2-hydroxyethoxy)-3-phenylphenyl]fluorene having a specific endothermic peak in differential scanning calorimetry, and to provide a production method of said crystal. To meet this purpose, a crystal of bisfluorene 9,9-bis[4-(2-hydroxyethoxy)-3-phenylphenyl]fluorene is provided which is characterized by having at least one endothermic peak in differential scanning calorimetry in the temperature range 158-161°C.

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Inventors:
NAKASHIMA JUN (JP)
HASHIMOTO YUKI (JP)
Application Number:
PCT/JP2019/036374
Publication Date:
March 26, 2020
Filing Date:
September 17, 2019
Export Citation:
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Assignee:
HONSHU CHEMICAL IND (JP)
International Classes:
C07C43/23; C07C41/40
Foreign References:
JP2008222708A2008-09-25
JP2018076245A2018-05-17
JP2018048086A2018-03-29
JP2017200900A2017-11-09
JP2017200901A2017-11-09
Attorney, Agent or Firm:
YAMADA Yasuyuki et al. (JP)
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