Kerr-mcgee Chemical, LLC

Dwight A Schulke

William C Laughlin

Everette M Spore

A process for the preparation of high purity manganous-manganic oxide (Mn.sub.3 O.sub.4) is provided, wherein particulate manganese metal suspended in an aqueous solution containing a water soluble ammonium salt is oxidized in the presence of an oxidizing agent at a temperature of at least 30.degree. C.

Process for preparing high purity Mn.sub.3 O.sub.4

An electrode assembly, having improved dimensional stability, for use in the electrolytic production of manganese dioxide and comprising a hanger bar member, at least one corrugated panel member having oppositely opposed upper and lower ends, said at least one panel member being fixedly attached to said hanger bar member at the upper end of said at least one panel member and a stiffening bar member fixedly attached to said lower end of said at least one corrugated panel member.

Growing community of inventors

Edmond, OK, United States of America

Dwight A Schulke