专利检索 ap:("Toshinobu Uemura" OR "Keiji Kai" OR "Masateru Kodani" OR "Fumiyo Yoshida" OR "Matsuhiko Aratani") AND inv:"Fumiyo Yoshida" 第 1 页

1.

发明授权
.alpha.-crystals of cefazolin sodium 失效
标题翻译：头孢唑啉钠的α-晶体

公开(公告)号：US4898937A

公开(公告)日：1990-02-06

申请号：US305167

申请日：1989-02-02

申请人： Toshinobu Uemura , Keiji Kai , Masateru Kodani , Fumiyo Yoshida , Matsuhiko Aratani

发明人： Toshinobu Uemura , Keiji Kai , Masateru Kodani , Fumiyo Yoshida , Matsuhiko Aratani

IPC分类号： A61K31/545 , C07D501/36 , C07D501/56

CPC分类号： C07D501/36

摘要： This invention relates to .alpha.-crystals of cefazolin sodium with a water content in the range of 13.0 to 15.8%, useful as an antibiotic of improved thermal and light stability.