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:
Aug. 25, 2020

Filed:

May. 19, 2017
Applicants:

Centre National DE LA Recherche Scientifique, Paris, FR;

Universite D'avignon ET Des Pays DE Vaucluse, Avignon, FR;

Universite DE Strasbourg, Strasbourg, FR;

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

Ecole Nationale Superieure DE Chimie DE Montpellier, Montpellier, FR;

Universite DE Montpellier, Montpellier, FR;

Inventors:

Frédéric Jean-Jacques Bihel, Fegersheim, FR;

Damien Bourgeois, Aramon, FR;

Stéphane Desgranges, Avignon, FR;

Daniel Meyer, Saint Genies de Comolas, FR;

Christiane Contino-Pepin, Althen des Paluds, FR;

Martine Schmitt, Strasbourg, FR;

Patrick Hervé Denis Wagner, Brumath, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B 3/10 (2006.01); C08G 83/00 (2006.01); B01J 23/56 (2006.01); B01J 31/06 (2006.01); C08F 2/30 (2006.01); C22B 3/26 (2006.01); C22B 3/44 (2006.01); C22B 3/00 (2006.01); C22B 15/00 (2006.01);
U.S. Cl.
CPC ...
C22B 3/10 (2013.01); B01J 23/56 (2013.01); B01J 31/064 (2013.01); C08F 2/30 (2013.01); C08G 83/003 (2013.01); C08G 83/008 (2013.01); C22B 3/0097 (2013.01); C22B 3/44 (2013.01); C22B 11/044 (2013.01); C22B 15/0084 (2013.01);
Abstract

The present invention is in the field of surfactants to extract a platinum group metal or gold, in particular palladium, from organic compositions. In particular, the invention concerns the use of surfactants to back-extract a platinum group metal or gold, in particular palladium, from organic compositions further comprising an extractant of said platinum group metal or gold, in particular palladium from an aqueous solution.


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