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:
Nov. 17, 2015
Filed:
Oct. 29, 2013
Adisseo France S.a.s., Antony, FR;
Centre National DE LA Recherche Scientifque, Paris Cedex, FR;
Universite Claude Bernard, Villeurbanne, FR;
Raja Znaiguia, Villeurbanne, FR;
Jean-Marc Millet, Lyons, FR;
Stéphane Loridant, Meyzieu, FR;
Patrick Rey, Lyons, FR;
ADISSEO FRANCE S.A.S., , FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, , FR;
UNIVERSITE CLAUDE BERNARD, , FR;
Abstract
The disclosure concerns a method for preparing acrolein from glycerol, according to which a dehydration of the glycerol is carried out in the presence of a catalyst MWOA, wherein MWO represents a mixture of simple oxides and/or mixed oxides of tungsten and at least one metal M selected among zirconium, silicon, titanium, aluminium and yttrium, and A represents one or several Lewis base(s), one said Lewis base being of the formula B(R1)p(R2)q(R3)r, wherein B is an element selected among C, S, P, O, N and halides, R1, R2 and R3 represent, independently of each other, H, a C1-C6 alkyl group, O, OH or OR wherein R represents a C1-C6 alkyl group, and the sum of p, q and r varies from 0 to 4.