发明授权
- 专利标题： Method for producing dis(4-hydroxyaryl) alkanes
- 专利标题（中）： 二（4-羟基芳基）烷烃的制备方法
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申请号： US09786146申请日： 2001-02-28
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公开(公告)号： US06316678B1公开(公告)日： 2001-11-13
- 发明人: Steffen Kühling , Rolf Lanze , Rainer Neumann , Frieder Heydenreich , Tony van Osselaer , Gerhard Fennhoff
- 申请人： Steffen Kühling , Rolf Lanze , Rainer Neumann , Frieder Heydenreich , Tony van Osselaer , Gerhard Fennhoff
- 优先权： DE19840110 19980903
- 主分类号： C07C3768
- IPC分类号： C07C3768
摘要：
The present invention relates to a process for producing bis(4-hydroxy-aryl)alkanes of high purity from addition products of bis(4-hydroxy-aryl)alkanes and aromatic hydroxy compounds which are obtained by the acid-catalysed reaction of the aromatic hydroxy compounds with ketones.
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