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.
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
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