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:
Dec. 01, 2015
Filed:
Oct. 17, 2013
Applicant:
Petroleo Brasileiro S.a.-petrobras, Rio de Janiero, RJ, BR;
Inventors:
Bernardo Galvao Siqueira, Rio de Janeiro, BR;
Raphael Bezerra De Menezes, Rio de Janeiro, BR;
Carlos Rene Klotz Rabello, Rio de Janeiro, BR;
Marlito Gomes, Jr., Petropolis, BR;
Assignee:
PETROLEO BRASILEIRO S.A.-PETROBRAS, Rio de Janeiro, BR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/68 (2006.01);
U.S. Cl.
CPC ...
C07D 307/68 (2013.01);
Abstract
A two-step 2.5 FDCA integrated production process is described, comprising a first step for generating 5-HMF from streams comprising an aqueous carbohydrate solution wherein sub-critical water works as a catalyst by dehydrating the carbohydrates and generating 5-HMF, and a second step wherein 5-HMF is oxidized into 2.5 FDCA.