发明名称 |
Purifying cyclic esters by aqueous solvent extraction |
摘要 |
A process is provided for the production and purification of cyclic esters in which the purification includes the introduction of an aqueous solvent into a cyclic ester containing composition and allowing two phases to form. A first phase includes cyclic esters and any organic solvent, and a second phase includes the aqueous solvent and impurities.
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申请公布号 |
US5686630(A) |
申请公布日期 |
1997.11.11 |
申请号 |
US19950473400 |
申请日期 |
1995.06.06 |
申请人 |
CHRONOPOL, INC. |
发明人 |
MIAO, FUDU;EGGEMAN, TIMOTHY J. |
分类号 |
C07C51/48;C07D319/12;C08J5/18;C08L67/04;C09D167/04;(IPC1-7):C07D319/00 |
主分类号 |
C07C51/48 |
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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