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:
Jul. 05, 1977
Filed:
Jul. 19, 1976
Applicant:
Inventors:
Franklin F Clark, Golden, CO (US);
Cvetko B Nikolic, Golden, CO (US);
Paul B Queneau, Golden, CO (US);
Assignee:
Amax Inc., Greenwich, CT (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423144 ; 423592 ;
Abstract
A method is provided for separating cobalt from a nickel solution containing cobalt in the cobaltous state and an ammonium salt comprising subjecting said solution containing at least 0.2 grams per liter of ammonium ion to ozonation while maintaining the pH thereof from about 4.5 to 6, until said cobalt has been oxidized to the cobaltic state and simultaneously precipitating said cobalt in the cobaltic state at a temperature ranging from about 10.degree. to 90.degree. C.