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:
Jul. 23, 2019
Filed:
Sep. 17, 2015
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Michelin Recherche ET Technique S.a., Granges-Paccot, CH;
Rejane Dastillung, Lyons, FR;
Beatrice Fischer, Lyons, FR;
Marc Jacquin, Lyons, FR;
Raphael Huyghe, Saint Andeol le Chateau, FR;
IFP Energies nouvelles, Rueil-Malmaison, FR;
Compagnie Generale des Etablissements Michelin, Clermont-Ferrand, FR;
MICHELIN RECHERCHE ET TECHNIQUE S.A., Granges-Paccot, CH;
Abstract
A process for the production of butadiene from an ethanol feed having at least 80% by weight of ethanol, A) converting ethanol into acetaldehyde B) converting an ethanol/acetaldehyde mixture into butadiene, C1) hydrogen treatment, D1) butadiene extraction, a first butadiene purification D2), a subsequent butadiene purification D3), an effluent treatment E1), E2) eliminating impurities and brown oils and F) scrubbing with water.