发明名称 |
Process for preparing carboxylic esters |
摘要 |
Carboxylic esters are prepared by a process, which comprises reacting dicarboxylic or polycarboxylic acids or their anhydrides with alcohols in a liquid medium with the concomitant removal of water formed by the esterification reaction by azeotropic distillation together with the alcohol in the medium, wherein the amount of liquid removed from the reaction medium by azeotropic distillation is replaced in whole or in part with the alcohol.
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申请公布号 |
US6916950(B2) |
申请公布日期 |
2005.07.12 |
申请号 |
US20010945736 |
申请日期 |
2001.09.05 |
申请人 |
OXENO OLEFINCHEMIE GMBH |
发明人 |
GUBISCH DIETMAR;ERNST UWE;BUESCHKEN WILFRIED |
分类号 |
C07B61/00;C07C67/08;C07C67/54;C07C69/80;(IPC1-7):C07C67/36;C07C67/00;C07C67/12;C07C69/52 |
主分类号 |
C07B61/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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