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. 19, 2019
Filed:
Sep. 04, 2015
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Jack Bender, Corona de Tucson, AZ (US);
Nathan C. Emmerich, Tucson, AZ (US);
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C 7/00 (2006.01); C25C 7/06 (2006.01); C25C 1/12 (2006.01); C22B 3/20 (2006.01); C22B 15/00 (2006.01);
U.S. Cl.
CPC ...
C25C 7/06 (2013.01); C22B 3/0004 (2013.01); C22B 15/0067 (2013.01); C25C 1/12 (2013.01); Y02P 10/234 (2015.11); Y02P 10/236 (2015.11);
Abstract
Disclosed are methods for the reduction of impurity metals from a refinery electrolyte solution. Certain methods comprise contacting a refinery electrolyte solution comprising an impurity metal with a phosphate ester having a structure represented by: wherein Rcomprises a linear, branched or cyclic alkyl or aryl group, and wherein the impurity metal is selected from the group consisting of iron, antimony, arsenic, bismuth, tin and combinations thereof.