发明授权
- 专利标题： Method for preparing stable crystals of salt of Ceftizoxime
- 专利标题（中）： 头孢唑肟盐稳定晶体的制备方法
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申请号： US283805申请日： 1981-07-16
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公开(公告)号： US4390694A公开(公告)日： 1983-06-28
- 发明人: Norio Ohnishi , Rinta Ibuki
- 申请人： Norio Ohnishi , Rinta Ibuki
- 申请人地址： JPX Osaka
- 专利权人： Fujisawa Pharmaceutical Co., Ltd.
- 当前专利权人： Fujisawa Pharmaceutical Co., Ltd.
- 当前专利权人地址： JPX Osaka
- 优先权： JPX55-100680 19800722
- 主分类号： C07D501/00
- IPC分类号： C07D501/00 ; A61K9/14 ; A61K31/545 ; A61K31/546 ; A61P31/04 ; C07D501/04 ; C07D501/12 ; C07D501/20
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.
公开/授权文献
- US6035556A Shoe closure mechanism 公开/授权日：2000-03-14