发明名称 |
NOVEL CRYSTAL MODIFICATIONS,PROCESSES FOR THEIR PRODUCTION,AND PHARMACEUTICAL PREPARATIONS CONTAINING THEM |
摘要 |
Novel crystal modifications of (+)-catechin monohydrate and of (+)-catechin anhydrate more suitable for pharmaceutical preparations for reasons of higher stability against moisture and/or light and distinguished from hitherto known modifications by unique X-ray diffraction spectra are produced by specific recrystallization and/or crystal rearrangement processes and pharmaceutical preparations comprising the novel crystal forms. |
申请公布号 |
ZA8301216(B) |
申请公布日期 |
1985.03.27 |
申请号 |
ZA19830001216 |
申请日期 |
1983.02.23 |
申请人 |
ZYMA SA. |
发明人 |
ERWIN MARTI;OSKAR HEIBER;ALEXANDRE GUMMA;GUSTAVE HUBER;ISAMU UTSUMI;HIROSHI NAKAGAWA;TATSUHIKO MIYATA;KOICHI AKIMOTO |
分类号 |
A61K31/35;A61K31/352;A61K31/353;A61P1/16;C07D311/62 |
主分类号 |
A61K31/35 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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