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:
Nov. 22, 2016
Filed:
Feb. 11, 2014
Applicants:
Centre National DE LA Recherche Scientifique (C.n.r.s), Paris, FR;
Universite Claude Bernard Lyon 1, Villeurbanne, FR;
Inventors:
Michele Besson, Les Echets, FR;
Nadine Essayem, Saint Just Chaleyssin, FR;
Hicham Ait Rass, Villeurbanne, FR;
Assignees:
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S), Paris, FR;
UNIVERSITE CLAUDE BERNARD LYON 1, Villeurbanne, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/48 (2006.01); B01J 23/18 (2006.01); B01J 23/42 (2006.01); B01J 23/644 (2006.01); C07D 307/68 (2006.01); B01J 21/18 (2006.01);
U.S. Cl.
CPC ...
C07D 307/68 (2013.01); B01J 21/18 (2013.01); B01J 23/6447 (2013.01);
Abstract
A method for preparing 2,5-furandicarboxylic acid (FDCA) by oxidizing 5-hydroxymethylfurfural (HMF) in water in the presence of a weak base and a supported catalyst comprising platinum and bismuth, in which the Bi/Pt molar ratio in the catalyst is between 0.1 and 0.3, and preferably between 0.15 and 0.3.