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.
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 代理人
主权项
地址