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. 15, 1989
Filed:
Dec. 19, 1988
Kenneth B Kimble, Borger, TX (US);
Gary D Macdonell, Houston, TX (US);
Harold W Mark, Summerville, SC (US);
Phillips Petroleum Company, Bartlesville, OK (US);
Abstract
A process for the recovery of minerals from an ore or concentrate containing the same wherein the minerals are recovered in a froth from an aqueous pulp containing the ore or concentrate and wherein one or more mineral flotation agents are employed in the aqueous pulp to control the type of minerals in the froth is provided. The mineral flotation agents used in carrying out the process comprise compounds formed by the addition of hydrogen sulfide to dicyclopentadiene. In one embodiment, the mineral flotation agents used in carrying out the process comprise tricyclodecenyl mercaptans having one or both of the following structures: ##STR1##