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:
Jun. 27, 2023
Filed:
Jul. 17, 2017
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 Maat, Mont Saint Aignan, FR;
Cyril Aymonier, Begles, 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 a device for retrieving, from an object A, elements G present in a matrix M, the method including at least the following steps: bringing said abject A into contact with a dense fluid Fd with a molar mass greater than 2 g molunder temperature Tand pressure Pconditions suitable for transforming the intergranular phase and for releasing the elements G, modifying the temperature Tand/or pressure Pvalues to stop the reaction transforming the intergranular phase, and recovering the elements G separated front the matrix M.