Purification of bisphenol-A

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

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568749, C07C 3770

Patent

active

042949939

ABSTRACT:
Pure bisphenol-A can be obtained by treating the adduct of the latter and phenol with either toluene or a mixture of toluene and water.

REFERENCES:
patent: 2791616 (1957-05-01), Luten
patent: 2959622 (1960-11-01), Grimme et al.
patent: 3073868 (1963-01-01), Prahl et al.
patent: 3673262 (1972-06-01), Prahl et al.
patent: 4156089 (1979-05-01), Li
patent: 4212997 (1980-07-01), Adam

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