Purification of dihydroxydiphenyl
A method of purifying dihydroxydiphenyl (1), 1 wherein R and R′, independently of each other, denotes H or a C 1 -C 4 alkyl radical, is disclosed. The pure dihydroxydiphenyl thus produced is suitable for preparing polycarbontes.
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A method of purifying dihydroxydiphenyl (1),
1
wherein
R and R′, independently of each other, denotes H or a C
1
-C
4
alkyl radical, is disclosed. The pure dihydroxydiphenyl thus produced is suitable for preparing polycarbontes. |
|---|