Separation of amine from a phenolic compound

Details Separation of amine from a phenolic compound Separation of amine from a phenolic compound

2006-05-23

2006-05-23

Davis, Brian (Department: 1621)

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

Organic compounds

Amino nitrogen containing

C564S439000

Reexamination Certificate

active

07049471

ABSTRACT:
A process comprises contacting a product mixture with a base, optionally in the presence of a polyhydric alcohol, to produce a base-treated mixture and distilling the base-treated mixture in which the product mixture comprises an aromatic amine and a phenolic compound.

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Yang, Guo-Hua et al., Simultaneous separation and concentration for phenol and aniline by distillation with added salts. Journal, Dept. of Chemical Engineering Univ. of Petroleum, Dongying, Shandong, 257061, Peop. Rep. China, Ranliao Huaxue Xuebao (2000), 28(4), 364-367.

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