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. 15, 2016

Filed:

Dec. 29, 2011
Applicants:

Jacco Van Haveren, Ede, NL;

Shanmugam Thiyagarajan, Wageningen, NL;

Augusto Teruo Morita, São Bernardo do Campo, SP, BR;

Inventors:

Jacco van Haveren, Ede, NL;

Shanmugam Thiyagarajan, Wageningen, NL;

Augusto Teruo Morita, São Bernardo do Campo, SP, BR;

Assignee:

Braskem S.A., Camacari, BA, BR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/34 (2006.01); C07D 307/68 (2006.01); C08G 63/181 (2006.01);
U.S. Cl.
CPC ...
C07D 307/68 (2013.01); C08G 63/181 (2013.01);
Abstract

The present invention refers to a process for production of a mixture including 2,4-furandicarboxylic acid (2,4-FDCA) and 2,5 furandicarboxylic acid (2,5-FDCA) through the disproportionation route, using as base compounds oxidation products of furfural. This invention also relates to a process for production of 2,4-FDCA as a result of a disproportionation route and the use of 2,4-FDCA as a monomer or comonomer to synthesize esters or any compounds which can generate macromolecules, such as polyesters.


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