| 发明名称 |
Method for concentrating beta-lactam antibiotic solution. |
| 摘要 |
<p>The present invention relates to a method for concentrating a dilute aqueous solution of a β-lactam antibiotic which is readily susceptible to heat, by subjecting a dilute aqueous solution of a β-lactam antibiotic, said solution containing 2 to 20% (v/v) of a lower alcohol, to concentration by means of a permeable membrane made of poly-(ether/amide) or polybenzimidazolone.</p> |
| 申请公布号 |
EP0055137(A2) |
申请公布日期 |
1982.06.30 |
| 申请号 |
EP19810306094 |
申请日期 |
1981.12.23 |
| 申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD. |
发明人 |
NARA, KIYOSHI;KATAMOTO, KAZUYOSHI;OHKIDO, SADAO;YAMAMOTO, ISAO;YANOME, HIROSHI |
| 分类号 |
C07D499/00;C07D499/18;A61K31/00;C07D463/00;C07D501/12;C07D503/00;C07D505/00;C12P35/06;C12R1/75;(IPC1-7):07D501/12;12P35/06;07D499/18 |
主分类号 |
C07D499/00 |
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