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:
Apr. 19, 2016
Filed:
Oct. 26, 2011
Stephane Pariente, Bagnolet, FR;
Virginie Belliere-baca, Andresy, FR;
Sebastien Paul, Thun Saint-amand, FR;
Nouria Fatah, Vendeville, FR;
Stephane Pariente, Bagnolet, FR;
Virginie Belliere-Baca, Andresy, FR;
Sebastien Paul, Thun Saint-amand, FR;
Nouria Fatah, Vendeville, FR;
ADISSEO FRANCE S.A.S., Antony, FR;
ECOLE CENTRALE DE LILLE, Villeneuve D'Ascq, FR;
Abstract
A continuous process for obtaining acrolein by catalytic dehydration of glycerol or glycerin, in the presence of an acid catalyst, wherein said process comprises the concomitant regeneration of said catalyst and is carried out in a fluidized bed reactor, said reactor comprising two zones, a first zone, or lower zone, termed catalyst regeneration zone, in which a fluidization gas comprising oxygen is introduced, and a second zone, or upper zone, termed reaction zone, in which the glycerol or glycerin is introduced and converted into acrolein.