Patents by Inventor Stephane Pariente

Stephane Pariente has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for obtaining acrolein by catalytic dehydration of glycerol or glycerin
    Patent number: 9315440
    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.
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: April 19, 2016
    Assignees: ADISSEO FRANCE S.A.S., ECOLE CENTRALE DE LILLE
    Inventors: Stephane Pariente, Virginie Belliere-Baca, Sebastien Paul, Nouria Fatah
  • PROCESS FOR OBTAINING ACROLEIN BY CATALYTIC DEHYDRATION OF GLYCEROL OR GLYCERIN
    Publication number: 20130217909
    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.
    Type: Application
    Filed: October 26, 2011
    Publication date: August 22, 2013
    Applicants: ECOLE CENTRALE DE LILLE, ADISSEO FRANCE S.A.S.
    Inventors: Stephane Pariente, Virginie Belliere-Baca, Sebastien Paul, Nouria Fatah