发明名称 |
Method for preparing stable crystals of salt of Ceftizoxime |
摘要 |
A method for preparing stable crystals of a salt of Ceftizoxime which comprises mixing an aqueous solution of a salt of Ceftizoxime and isopropyl alcohol and collecting the precipitating crystals. Crystals obtained in this manner are more stable than the crystals obtained from prior art methods involving mixed solvents of water and ethanol.
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申请公布号 |
US4390694(A) |
申请公布日期 |
1983.06.28 |
申请号 |
US19810283805 |
申请日期 |
1981.07.16 |
申请人 |
FUJISAWA PHARMACEUTICAL CO., LTD. |
发明人 |
OHNISHI, NORIO;IBUKI, RINTA |
分类号 |
C07D501/00;A61K9/14;A61K31/545;A61K31/546;A61P31/04;C07D501/04;C07D501/12;C07D501/20;(IPC1-7):A61K31/54 |
主分类号 |
C07D501/00 |
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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