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. 02, 2024
Filed:
Jun. 14, 2019
Applicant:
Seren Technologies Limited, Redcar, GB;
Inventors:
Peter Nockemann, Antrim, GB;
Donnacha Brolly, Redcar, GB;
Ena Bradley, Redcar, GB;
Eadaoin McCourt, Redcar, GB;
Assignee:
Seren Technologies Limited, Redcar, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22B 59/00 (2006.01); C07D 233/61 (2006.01); C07F 9/54 (2006.01); C22B 3/38 (2006.01);
U.S. Cl.
CPC ...
C22B 59/00 (2013.01); C07D 233/61 (2013.01); C07F 9/5407 (2013.01); C22B 3/38 (2021.05);
Abstract
A method for extracting a rare earth metal from a mixture of one or more rare earth metals, said method comprising countercurrently contacting an acidic solution of the rare earth metal with a composition which comprises an ionic liquid to form an aqueous phase and a non-aqueous phase into which the rare earth metal has been selectively extracted.