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:
Feb. 05, 1991
Filed:
Jan. 26, 1990
Applicant:
Inventors:
Clarence R Bresson, Bartlesville, OK (US);
Harold W Mark, Summerville, NC (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562 27 ;
Abstract
A polyamine substituted dithiocarbamate compound is provided. Also provided are minerals depressant compounds for recovering mineral values from an ore or concentrate wherein the values are recovered in a froth from an aqueous slurry. A process of forming the minerals depressant compounds and an improved ore flotation process using the minerals depressant compounds are also provided.