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:
Mar. 08, 2022

Filed:

Feb. 28, 2018
Applicant:

Nederlandse Organisatie Voor Toegepast-natuurwetenschappelijk Onderzoek Tno, 's-Gravenhage, NL;

Inventors:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/34 (2006.01); C25B 1/02 (2006.01); C25B 3/05 (2021.01); C25B 3/23 (2021.01); C25B 3/25 (2021.01); C07D 307/68 (2006.01);
U.S. Cl.
CPC ...
C07D 307/68 (2013.01); C25B 3/23 (2021.01); C25B 1/02 (2013.01);
Abstract

The invention is directed to the to the electrochemical preparation of 2,5-furandicarboxylic acid (FDCA) from 5-hydroxymethylfurfural (HMF) by electrochemical oxidation, comprising a first oxidation step of oxidizing HMF to 5-hydroxymethyl-2-furan-carboxylic acid (HMFCA) in an electrochemical cell, subsequently a first isolation step of isolating HMFCA, followed by a second oxidation step of HMFCA to FDCA.


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