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:
Sep. 16, 2025
Filed:
Dec. 17, 2021
Applicant:
Kraton Polymers Llc, Houston, TX (US);
Inventors:
Gerald Heebner, Savannah, GA (US);
Lloyd Nelson, Savannah, GA (US);
Assignee:
Kraton Corporation, The Woodlands, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B03D 1/02 (2006.01); B03D 1/006 (2006.01);
U.S. Cl.
CPC ...
B03D 1/023 (2013.01); B03D 1/006 (2013.01); B03D 2201/02 (2013.01); B03D 2203/02 (2013.01);
Abstract
The disclosure relates to a method for the beneficiation of an ore in a froth flotation process. The method comprises contacting an ore in a liquid medium to a collector composition comprising a plant-derived liquid decarboxylated rosin acid (DCR) collector. The DCR comprises 40 to 100 wt. % of tricyclic compounds having 18-20 carbon atoms, one or more C═C groups, and m/z (mass/charge) value of 220-280. The DCR has an oxygen content of <5%, a density of 0.9 to 1.0 g/cmat 20° C., and an acid value of <50 mg KOH/g.