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:
Dec. 30, 1980
Filed:
Jan. 15, 1979
Applicant:
Inventor:
Walter Partenheimer, Naperville, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75109 ; 75117 ; 75119 ; 75121 ;
Abstract
This invention relates to the selective removal of dissolved copper from an aqueous solution also containing dissolved cobalt, or manganese or cobalt and manganese with other extraneous metals such as iron, nickel and chromium and more particularly pertains to such removal of copper where its content and the respective contents of iron, nickel and chromium are a small fraction of; e.g., from 0.01 to 0.1 times, the concentration of cobalt, and manganese if present can be in a concentration from 2 up to 10 times the concentration of cobalt.