(C) CRYSTALLINE COMPOSITION (CC) COMPRISING CRYSTALLS (C) OF 4, 4 '-DICRODIPHENYL

The present invention relates to a crystal (C) consisting of at least 98% by weight of 4, 4 '-dichlorodiphenyl sulfone, 0 to 2% by weight of an impurity and 0 to 2% by weight of at least one solvent (c), Furthermore, the present invention relates to a crystal composition (CC) comprising the cry...

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Bibliographic Details
Main Authors HARMAN, JAMES, N, GAO JUN, BLEI, STEFAN, THIEL INDRE, THRUN FRAUKE, SCHUETZ CHRISTOPH
Format Patent
LanguageChinese
English
Published 08.04.2022
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Summary:The present invention relates to a crystal (C) consisting of at least 98% by weight of 4, 4 '-dichlorodiphenyl sulfone, 0 to 2% by weight of an impurity and 0 to 2% by weight of at least one solvent (c), Furthermore, the present invention relates to a crystal composition (CC) comprising the crystal (C) and a process for preparing the crystal composition (CC) and the crystal (C). 本发明涉及晶体(C),由至少98重量%的4,4'-二氯二苯砜、0至2重量%的杂质和0至2重量%的至少一种溶剂(c)组成。此外,本发明涉及包含晶体(C)的晶体组合物(CC)和制备所述晶体组合物(CC)和晶体(C)的方法。
Bibliography:Application Number: CN202080060646