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:
Apr. 08, 2025
Filed:
Jul. 22, 2020
Applicants:
Paris Sciences ET Lettres, Paris, FR;
Ecole Nationale Superieure DE Chimie DE Paris, Paris, FR;
Centre National DE LA Recherche Scientifique, Paris, FR;
Inventors:
Grégory Lefevre, Sainte-Geneviève-des-Bois, FR;
Thomas Degabriel, Sannois, FR;
Assignees:
PARIS SCIENCES ET LETTRES, Paris, FR;
ECOLE NATIONALE SUPERIEURE DE CHIMIE DE PARIS, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 34/36 (2006.01); C22B 3/42 (2006.01); C22B 7/00 (2006.01); C22B 34/22 (2006.01); C22B 34/24 (2006.01); C22B 34/34 (2006.01);
U.S. Cl.
CPC ...
C22B 34/36 (2013.01); C22B 3/42 (2013.01); C22B 7/006 (2013.01); C22B 34/22 (2013.01); C22B 34/24 (2013.01); C22B 34/34 (2013.01);
Abstract
The present invention relates to a method for extracting a refractory metal selected from Nb, Ta, Mo, W and V, from a solid material comprising the refractory metal in an oxidised form, the method using a layered double hydroxide, and the use of a layered double hydroxide for extracting or purifying a refractory metal selected from Nb, Ta, Mo, W and V.