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.

Date of Patent:
Mar. 02, 2021

Filed:

Sep. 04, 2019
Applicants:

Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;

Centre National DE LA Recherche Scientifique, Paris, FR;

Universite DE Montpellier, Montpellier, FR;

Inventors:

Fanny Mary, Valreas, FR;

Guilhem Arrachart, Saint-Laurent-des-Arbres, FR;

Stephane Pellet-Rostaing, Villeurbanne, FR;

Antoine Leydier, Saint Etienne, FR;

Veronique Dubois, Gaujac, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 59/00 (2006.01); C22B 3/26 (2006.01); C22B 3/06 (2006.01); C07F 9/40 (2006.01);
U.S. Cl.
CPC ...
C22B 3/0006 (2013.01); C07F 9/4006 (2013.01); C22B 3/06 (2013.01); C22B 59/00 (2013.01); Y02P 10/20 (2015.11);
Abstract

The invention relates to the use, as an extraction agent for extracting at least one rare earth from an aqueous phase including phosphoric acid, of at least one compound of the following general formula (I): where The invention also relates to a method for recovering at least one rare earth using said compound, as well as to specific compounds as such.


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