| 发明名称 |
Process for the purification of carboxylic acids by subcritical or supercritical fluid chromatography |
| 摘要 |
The invention relates to a process for the purification of carboxylic acid comprising the steps of:
a) the carboxylic acid is transformed to its monoester and/or its diester, and
b) the mono- and/or the diester of the carboxylic acid is processed by subritical or supercritical fluid chromatography using a subcritical or supercritical mobile phase. |
| 申请公布号 |
EP2745905(A1) |
申请公布日期 |
2014.06.25 |
| 申请号 |
EP20120008534 |
申请日期 |
2012.12.21 |
| 申请人 |
THYSSENKRUPP UHDE GMBH |
发明人 |
KNEZ, ZELJKO, PROF. DR.;FRITSCH, MARKUS, DR.;SCHULZE, JOACHIM, DR.;LÜTGE, CHRISTOPH, DR. |
| 分类号 |
B01D15/40;C07C51/47;C07C53/08;C07C57/13;C07C57/145;C07C57/15;C07C59/08;C07C59/245;C07C67/08;C07C68/08;C07C69/14;C07C69/40;C07C69/60;C07C69/675;C07C69/68 |
主分类号 |
B01D15/40 |
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