Process for the purification of a phenol

Details Process for the purification of a phenol Process for the purification of a phenol

1977-09-13

1979-05-15

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C07C 3724

Patent

active

041549643

ABSTRACT:
A process for the purification of a phenol compound prepared by decarboxylative oxidation of a benzoic acid to a phenol compound, including treating the phenol with a countercurrent flow of phosphoric acid and a temperature gradient to remove substituted and unsubstituted benzaldehyde and related compounds.

REFERENCES:
patent: 2301709 (1942-11-01), Rumscheidt et al.
patent: 2727926 (1955-12-01), Kaeding et al.
patent: 2727928 (1955-12-01), Menn et al.
patent: 2752398 (1956-06-01), Riley
patent: 3410318 (1964-07-01), Sodomann et al.

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