(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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Main Authors | , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
08.04.2022
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Subjects | |
Online Access | Get full text |
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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。 |
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Bibliography: | Application Number: CN202080060646 |