METHOD FOR CRYSTALLIZATION OF 7-AMINOCEPHALOSPORANIC ACID
摘要
The present invention relates to a method for preparing crystals of 7-aminocephalosporanic acid from 7-aminocephalosporanic acid solution by using additive and acid. The crystals of 7-aminocephalosporanic acid prepared according to the present invention exhibits superior granularity, purity, and can be prepared in a high yield.
申请公布号
WO03031451(A1)
申请公布日期
2003.04.17
申请号
WO2002KR01851
申请日期
2002.10.04
申请人
CKD BIO CORP.;KIM, JUNG WOO;SHIN, SANG KYU;CHOI, SANG YONG;YUN, JONG CHAN;YUN, IN KYUN
发明人
KIM, JUNG WOO;SHIN, SANG KYU;CHOI, SANG YONG;YUN, JONG CHAN;YUN, IN KYUN