| 发明名称 |
METHOD FOR RECOVERING DI-TRIMETHYLOLPROPANE BY DISTILLATION |
| 摘要 |
The present invention relates to a three-stage method for recovering di-trimethylolpropane by distillation from solutions containing di-trimethylolpropane, in which, after separating off low boilers and intermediate runnings separation, di-trimethylolpropane is separated off from high boilers as an overhead fraction. |
| 申请公布号 |
WO2013072007(A1) |
申请公布日期 |
2013.05.23 |
| 申请号 |
WO2012EP04439 |
申请日期 |
2012.10.24 |
| 申请人 |
OXEA GMBH |
发明人 |
FREY, GUIDO, D.;NOWOTNY, NORMAN;SCHALAPSKI, KURT;STRUTZ, HEINZ |
| 分类号 |
C07C41/42;C07C41/44;C07C43/13 |
主分类号 |
C07C41/42 |
| 代理机构 |
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