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:
Oct. 19, 2021
Filed:
Oct. 13, 2016
Centre National DE LA Recherche Scientifique, Paris, FR;
Universite DE Rouen-normandie, Mont Saint Aignan, FR;
Institut National Des Sciences Appliquees DE Rouen Normandie, Saint-Etienne-du-Rouvray, FR;
Jean-Marie Le Breton, Saint Pierre de Manneville, FR;
Nicolas Maât, Mont-saint-aignan, FR;
Virginie Nachbaur, Montaure, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Paris, FR;
UNIVERSITE DE ROUEN-NORMANDIE, Mont Saint Aignan, FR;
INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE ROUEN NORMANDIE, Saint-Etienne-du-Rouvray, FR;
Abstract
Disclosed is a method and system for recovering at least rare earth elements from within an object A consisting of at least one first rare earth portion or a mixture of rare earth elements and a second metal portion. The method includes a solvothermal treatment step that places the object in contact with a fluid for causing at least one rare earth portion and/or mixture of rare earth elements and the metal portion to oxidize in order to separate same, the value of the reaction temperature Tr is selected according to the nature of the object, the reaction following a R-M→R(X)x+M(X)y scheme, where R is the rare earth element or a mixture of rare earth elements, M is the transition metal, and (X) is a group which depends on the fluid used.