| 发明名称 |
Process for recovering bisphenols |
| 摘要 |
<p>A method for recovering substantially pure p,p-bisarylols from a mixture comprising the same by subjecting the mixture to vacuum distillation and melt crystallization in the absence of an adduct crystallization and the generation of a reaction recycle stream.</p> |
| 申请公布号 |
EP0785181(A3) |
申请公布日期 |
1997.12.10 |
| 申请号 |
EP19970300232 |
申请日期 |
1997.01.15 |
| 申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
PRESSMAN, ERIC JAMES;SHAFER, SHELDON JAY;WETZEL, JOSEPH RICHARD;OYEVAAR, MARTIN HERKE |
| 分类号 |
B01J31/02;B01J31/10;C07B61/00;C07C37/20;C07C37/68;C07C37/74;C07C37/84;C07C39/16;(IPC1-7):C07C37/74 |
主分类号 |
B01J31/02 |
| 代理机构 |
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