发明名称 |
PRODUCTION OF THIAMINE HYDROCHLORIDE CRYSTAL |
摘要 |
PURPOSE:To produce a beta-type thiamine hydrochloride crystal which is more stable and hardly causes agglomeration and its preparation by a simple method. CONSTITUTION:The objective method for producing a beta-type thiamine hydrochloride crystal is characterized in that a alpha-type thiamine hydrochloride crystal is moistened with water and then stirred in the presence of the beta-type thiamine hydrochloride crystal and the objective method for producing a preparation of beta-type thiamine hydrochloride crystal is characterized in that the alpha-type thiamine hydrochloride crystal is moistened with water together with a binder and then stirred in the presence of the preparation of beta-type thiamine hydrochloride crystal.
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申请公布号 |
JPH05202039(A) |
申请公布日期 |
1993.08.10 |
申请号 |
JP19920222466 |
申请日期 |
1992.08.21 |
申请人 |
TAKEDA CHEM IND LTD |
发明人 |
ASOGAWA TATSUO;KAKIGUCHI YOSHITOMI;IZUMIHARA SEIJI |
分类号 |
A61K9/20;A61K31/51;C07B63/00;C07D415/00 |
主分类号 |
A61K9/20 |
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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