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:
Jul. 07, 2020
Filed:
Jul. 29, 2015
Applicant:
The Trustees of the University of Pennsylvania, Philadelphia, PA (US);
Inventors:
Eric J. Schelter, Philadelphia, PA (US);
Justin A. Bogart, Brooklyn, NY (US);
Assignee:
THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA, Philadelphia, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 59/00 (2006.01); C22B 3/20 (2006.01); C22B 3/44 (2006.01); C22B 7/00 (2006.01); C25C 1/22 (2006.01);
U.S. Cl.
CPC ...
C22B 59/00 (2013.01); C22B 3/20 (2013.01); C22B 3/44 (2013.01); C22B 7/006 (2013.01); C25C 1/22 (2013.01); Y02P 10/234 (2015.11);
Abstract
A method is provided for separating mixtures of different rare earth metals using a ligand having a size-sensitive molecular aperture. The present invention meets the needs in the field by providing method of separating and purifying rare earth metals. The object of this invention is to separate and purify rare earth metals, e.g., the more valuable Dy away from Nd, in mixtures containing such metals using a simple chemical process without the need for countercurrent liquid-liquid separations.