| 发明名称 |
METHOD FOR THE RECOVERY OF TRANS-1,1,4,4-TETRAALKYL-2-BUTENE-1,4-DIOLS |
| 摘要 |
<p>A process for the isolation of trans-1,1,4,4-tetraalkyl-2-butene- 1,4-diols of the formula I …<IMAGE>… in which the radicals R<1>, R<2>, R<3> and R<4> are identical or different and are C1- to C5-alkyl groups,… from mixtures with their cis isomer, wherein the trans isomer is separated from the cis isomer by liquid-liquid extraction.</p> |
| 申请公布号 |
EP0402744(B1) |
申请公布日期 |
1993.03.31 |
| 申请号 |
EP19900110651 |
申请日期 |
1990.06.06 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
BENDER, DIETMAR, DR.;BRONSTERT, KLAUS, DR.;FISCHER, MARTIN, DR.;SCHUERMANN, GREGOR, DR. |
| 分类号 |
C07C29/86;C07C33/035 |
主分类号 |
C07C29/86 |
| 代理机构 |
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