| 发明名称 |
MEMBRANE SEPARATION METHOD FOR SEPARATING HIGH BOILER DURING THE PRODUCTION OF 1,3-DIOXOLANE-2-ONES |
| 摘要 |
The present invention relates to a process for the continuous preparation of a 1,3-dioxolan-2-one wherein a discharge from the reaction zone is subjected to a fractionation by means of a semipermeable membrane in order to separate off polymeric by-products.
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| 申请公布号 |
US2011009645(A1) |
申请公布日期 |
2011.01.13 |
| 申请号 |
US20090867503 |
申请日期 |
2009.02.27 |
| 申请人 |
BASF SE |
发明人 |
BIRNBACH STEFAN;KLINK HANS;MUGRAUER HANS-MARTIN;VOSS HARTWIG |
| 分类号 |
C07D317/38;C07D317/36 |
主分类号 |
C07D317/38 |
| 代理机构 |
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