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. 23, 2022
Filed:
Sep. 18, 2018
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Wolfgang Rohde, Ludwigshafen am Rhein, DE;
Andreas Luz, Ludwigshafen am Rhein, DE;
Michael Mentges, Ludwigshafen am Rhein, DE;
Oliver Kuhn, Ludwigshafen am Rhein, DE;
Rodrigo Enrique Munizaga, Santiago, CL;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B03C 1/01 (2006.01); C01B 32/215 (2017.01); B03C 1/00 (2006.01); H01F 1/28 (2006.01);
U.S. Cl.
CPC ...
C01B 32/215 (2017.08); B03C 1/002 (2013.01); B03C 1/01 (2013.01); H01F 1/28 (2013.01); B03C 2201/18 (2013.01); C01P 2004/30 (2013.01); C01P 2004/50 (2013.01);
Abstract
A process for concentrating graphite particles comprising a) providing a feedstock which contains the graphite particles and an undesired material, b) adding hydrophobic magnetic particles to the feedstock which results in a loaded feedstock containing agglomerates of the magnetic particles and the graphite particles, and c) separating the agglomerates from the loaded feedstock by a magnetic field which results in isolated agglomerates.