Method for making aminophenols and their amide derivatives

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United States of America Patent

PATENT NO 4990671
SERIAL NO

07449240

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Abstract

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N-acylated dialkylaminophenols are produced at greater yields under mild reaction conditions by a novel in situ process which begins with catalytic hydrogenation of dialkylnitrosophenols in an aprotic organic reaction medium.

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Patent Owner(s)

Patent OwnerAddress
CIBA SPECIALTY CHEMICALS CORP540 WHITE PLAINS ROAD P O BOX 2005 TARRYTOWN NY 10591

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Buehler, Henry J Affton, MO 22 103
Dunski, Neil St. Louis County, MO 18 173

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