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:
Aug. 01, 1989
Filed:
Mar. 03, 1989
Applicant:
Inventors:
Norman J Lewis, Lisvane Cardiff, GB;
Hans P Panzer, Stamford, CT (US);
Assignee:
American Cyanamid Copany, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B03D / ;
U.S. Cl.
CPC ...
209167 ; 423 26 ;
Abstract
A process for the recovery of mineral values from base metal ores is disclosed. Specifically, a froth flotation process is disclosed which comprises contacting an aqueous ore slurry with an effective amount of hemicellulose, a mineral collector and a frothing agent.