发明公开
- 专利标题： Process for recovering bisphenols
- 专利标题（中）： 回收双酚的方法
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申请号： EP97300232.2申请日： 1997-01-15
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公开(公告)号： EP0785181A2公开(公告)日： 1997-07-23
- 发明人: Pressman, Eric James , Shafer, Sheldon Jay , Wetzel, Joseph Richard , Oyevaar, Martin Herke
- 申请人： GENERAL ELECTRIC COMPANY
- 申请人地址： 1 River Road Schenectady, NY 12345 US
- 专利权人： GENERAL ELECTRIC COMPANY
- 当前专利权人： GENERAL ELECTRIC COMPANY
- 当前专利权人地址： 1 River Road Schenectady, NY 12345 US
- 代理机构： Szary, Anne Catherine, Dr.
- 优先权： US587052 19960116
- 主分类号： C07C37/74
- IPC分类号： C07C37/74 ; C07C37/84 ; C07C39/16
摘要：
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.
公开/授权文献
- EP0785181B1 Process for recovering bisphenols 公开/授权日：2001-12-05
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