Budd H. Sturm - Hartville OH Thomas J. Slam - Parma OH
Assignee:
The Goodyear Tire & Rubber Company - Akron OH
International Classification:
C07C 3908
US Classification:
260621A
Abstract:
There is disclosed the method of preparing photographic grade hydroquinone from technical grade hydroquinone which consists of treating a solution of the technical grade hydroquinone in the presence of a palladium catalyst with hydrogen while the hydroquinone solution is at a pH between about 3 and about 6.