The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 14, 1989
Filed:
Jun. 15, 1987
Applicant:
Inventors:
William C Laughlin, Edmond, OK (US);
Dwight A Schulke, Edmond, OK (US);
Assignee:
Kerr-McGee Chemical Corporation, Oklahoma City, OK (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423605 ; 423 50 ;
Abstract
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.