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:
Jan. 20, 1976
Filed:
Jan. 09, 1974
Applicant:
Inventors:
Ikuo Nagano, Hino, JA;
Kozo Saitoh, Tokyo, JA;
Assignee:
Mitsui Mining & Smelting Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B03B / ;
U.S. Cl.
CPC ...
209-9 ; 209167 ;
Abstract
A flotation method for sulfide ores in which, prior to sulfide ore flotation for effecting a mutual separation of the ore constituents, there is carried out a pre-treatment or conditioning step by applying d-c current to the sulfide ore slurry by means of an electrode in order to depress the floatability of certain of the ore constituents.