Separation of amine from a phenolic compound

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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Bibliographic Details
Main Authors Renner, Carl Andrew, Dubnansky, Richard Frank, Parsons, Freddison A, Stimek, Richard T, Wu, Zhihong
Format Patent
LanguageEnglish
Published 23.05.2006
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Summary: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.