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. 17, 1978
Filed:
Nov. 19, 1975
Applicant:
Inventors:
George C Johnson, Princeton, NJ (US);
Albert E Schweizer, Levittown, PA (US);
Assignee:
Mobil Oil Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B03B / ;
U.S. Cl.
CPC ...
209 11 ; 209166 ;
Abstract
The invention is an improvement in the process of benificiating phosphate ores, the process including at least one acid flotation and at least one amine flotation. The improvement is a reduction in the formation of slimes, obtained by drying the phosphate ore prior to classification and flotation or by transporting it to the flotation plant out of contact with water.