发明名称 |
METHOD OF PURIFICATION OF DIHYDRIC PHENOLS |
摘要 |
A process comprising the steps of dissolving a dihydric phenol in a solvent to form a solution A; contacting the solution A with a zeolite; filtering the zeolite to form a solution B; adding an anti-solvent to the solution B to form a solution C; and distilling the solution C; wherein the dihydric phenol is represented by Formula (I): wherein R is a hydrogen atom or an aliphatic functionality having 1 to 6 carbon atoms and n is an integer having a value 1 to 4.
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申请公布号 |
US2007232774(A1) |
申请公布日期 |
2007.10.04 |
申请号 |
US20060277956 |
申请日期 |
2006.03.30 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
XIU GUOHUA;SUN TONG;LENS JAN P.;ASHTEKAR SUNIL;MALUSARE MAHESH;KISHAN GURRAM;NARAYANAN PUSHPA |
分类号 |
C08G61/02;C07C39/10 |
主分类号 |
C08G61/02 |
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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