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US 4,061,548 AGranted
Electrolytic hydroquinone process
AssigneeEastman Kodak Company
InventorsGlenn C. Jones, Ronald H. Meen
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Abstract
The process of electrochemically oxidizing phenol to hydroquinone is improved by the inclusion of chromium ion in the aqueous reaction medium.
Claims3
In the process for the electrochemical oxidation of phenol to hydroquinone in an aqueous medium at a lead or lead-thallium alloy anode in an undivided cell, the improvement which comprises the inclusion in the aqueous medium of at least 50 ppm. of chromium ion.
Dependencies are inferred from the claim text.