Process for preparing para-aminophenol (US Patent 4584070)

Patent number: 4584070 Granted: 1986-04-22 Filed: 1985-03-29 Inventors: Norman R. DeLue (Akron, OH, US); Stanley R. Pickens (Wadsworth, OH, US) Assignees: PPG Industries, Inc. (Pittsburgh, PA, US)

Abstract

Disclosed is a method of preparing para-aminophenol by the electrolytic reduction of nitrobenzene in an acidic, aqueous reaction medium including a trialkylamine-N-oxide surfactant, such as dimethyldodecylamine-N-oxide, by electrolytic reduction at a cathode comprised of an amalgamated metal, and by electrolytic reduction