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:
Sep. 29, 2020
Filed:
May. 20, 2016
Avantium Knowledge Centre B.v., Amsterdam, NL;
Synvina C.v., Amsterdam, NL;
Klaas Jan Pieter Schouten, Amsterdam, NL;
Jan Cornelis Van Der Waal, Amsterdam, NL;
Maria Varini, Amsterdam, NL;
Gerardus Johannes Maria Gruter, Amsterdam, NL;
Avantium Knowledge Centre B.V., Amsterdam, NL;
Abstract
An aromatic dicarboxylic acid of chemical formula HOOC—Ar—COOH is prepared in a process wherein a feedstock comprising at least an aromatic aldehyde compound of chemical formula (1): OHC—Ar—COOH, wherein Arrepresents an arylene or heteroarylene moiety, and an aqueous electrolyte are provided; the feedstock and the aqueous electrolyte are introduced into an electrolytic cell comprising electrodes, wherein at least one of the electrodes comprises a non-noble metal and/or an oxide and/or a hydroxide thereof and/or carbon; and the aromatic aldehyde compound of formula (1) is oxidized electrochemically to yield the aromatic dicarboxylic acid.