发明名称 |
Purification of bisphenol-A |
摘要 |
A method for purifying water-crystallized bisphenol-A involving treatment with an aqueous alkaline solution. The concentration of base preferably ranges from 0.1 to 25 weight percent of crude bisphenol-A. The crude bisphenol-A is a solid and preferably at a temperature in the range of about 10 DEG to 80 DEG C.
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申请公布号 |
US4507509(A) |
申请公布日期 |
1985.03.26 |
申请号 |
US19840568017 |
申请日期 |
1984.01.04 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
MENDIRATTA, ASHOK K.;MORGAN, WAYNE F. |
分类号 |
C07C37/84;(IPC1-7):C07C37/68;C07C39/16 |
主分类号 |
C07C37/84 |
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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