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:
May. 19, 2020
Filed:
Jun. 26, 2017
Applicants:
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Inventors:
Assignees:
IFP Energies nouvelles, Rueil-Malmaison, FR;
Compagnie Generale des Etablissements Michelin, Clermont-Ferrand, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C 1/20 (2006.01); C07C 7/04 (2006.01); C07C 7/08 (2006.01);
U.S. Cl.
CPC ...
C07C 1/20 (2013.01); C07C 7/04 (2013.01); C07C 7/08 (2013.01);
Abstract
The invention relates to a process for producing butadiene from an ethanol feedstock comprising a step of converting ethanol into butadiene, a step of separating the reactants into a hydrated butadiene effluent, an impurities effluent and an ethanol-butadiene effluent, a separation step that separates the ethanol-butadiene effluent into a butadiene distillate and a contaminated reactants effluent, a step of purifying the butadiene by extractive distillation and an effluent treatment step.