Purification of dihydroxydiphenyl
A method of purifying dihydroxydiphenyl (1), wherein R and R', independently of each other, denotes H or a C1-C4 alkyl radical, is disclosed. The pure dihydroxydiphenyl thus produced is suitable for preparing polycarbontes.
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
12.09.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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