1
Jean-luc Dubois
Jean Luc Dubois, Christophe Duquenne, Wolfgang Holderich: Process for dehydrating glycerol to acrolein. Arkema France, Steven D Boyd, July 8, 2008: US07396962 (25 worldwide citation)

The present invention relates to a process for manufacturing acrolein by dehydration of glycerol in the presence of molecular oxygen. The reaction is performed in the liquid phase or in the gas phase in the presence of a solid catalyst. The addition of oxygen makes it possible to obtain good glycero ...


2
Jean-luc Dubois
Jean Luc Dubois, Christophe Duquenne, Wolfgang Holderich, Jacques Kervennal: Process for dehydrating glycerol to acrolein. Arkema France, Steven D Boyd, February 2, 2010: US07655818 (12 worldwide citation)

The present invention relates to a process for manufacturing acrolein by gas-phase dehydration of glycerol in the presence of strongly acidic solid catalysts with a Hammett acidity H0 of between −9 and −18 and preferably between −10 and −16.


3
Jean-luc Dubois
Jean Luc Dubois, Christophe Duquenne, Wolfgang Holderich: Method for producing acrylic acid from glycerol. Arkema France, Steven D Boyd, March 22, 2011: US07910771 (8 worldwide citation)

The invention relates to a method for producing acrylic acid in one step by an oxydehydration reaction of glycerol in the presence of molecular oxygen. The reaction preferably carried out in gaseous phase in the presence of a suitable catalyst.


4
Jean-luc Dubois
Jean Luc Dubois: Acrolein Preparation Method. Arkema France, Steven D Boyd, May 12, 2009: US07531699 (5 worldwide citation)

The invention relates to a method for preparing acrolein from propylene, consisting of a first glycerol dehydration step preformed in the presence of a gas containing propylene and, more specifically, in the presence of the reaction gas originating from the propylene to acrolein oxidation step. The ...


5
Jean-luc Dubois
Jean Luc Dubois: Acrylic acid preparation method. Arkema France, Steven D Boyd, February 1, 2011: US07880034 (1 worldwide citation)

The invention relates to a method for preparing acrylic acid from propylene, comprising the oxidation of propylene to acrolein and a second step comprising the oxidation of acrolein to acrylic acid, including a glycerol dehydration step preformed in the presence of a gas containing propylene and, mo ...


6
Jean-luc Dubois
Jean Luc Dubois: Method for synthesis of acrolein from glycerol. Arkema France, Steven D Boyd, March 27, 2012: US08143454 (1 worldwide citation)

The invention provides a technology for producing acrolein from glycerol while maintaining high reagent partial pressures, which leads to higher yield. The invention more particularly relates to a method for producing acrolein from glycerol that comprises the intermediate step of forming glycerol an ...


7
Jean-luc Dubois
Markus Brandhorst, Jean Luc Dubois: Method for cleaving unsaturated fatty chains. Arkema France, Steven D Boyd, May 19, 2015: US09035079

The invention relates to a method for cleaving unsaturated fatty chains comprising a step of oxidative cleavage in which at least one fatty acid derivative having at least one unsaturation is reacted in the liquid phase with hydrogen peroxide in the presence of a catalyst for activating the reaction ...


8
Jean-luc Dubois
Jean Luc Dubois, Markus Brandhorst, Daniel Bianchi, Frederic Thevenet: Method for producing hydrogen peroxide. Arkema France, Centre National de la Recherche Scientifique, Universite Claude Bernard Lyon 1, Steven D Boyd, February 17, 2015: US08956508

The present invention relates to a method for preparing an aqueous solution of hydrogen peroxide from oxygen, hydrogen and optionally water. The invention more particularly relates to a method for preparing an aqueous solution of hydrogen peroxide in which at least a portion of the reactor is cooled ...


9
Dwight K Reid: Process for minimizing fouling of processing equipment. Betz Laboratories, Alexander D Ricci, Steven D Boyd, June 20, 1989: US04840720 (80 worldwide citation)

This invention relates to processes for inhibiting the degradation, particulate and gum formation of distillate fuel oils prior to or during processing which comprises adding to the distillate fuel oil an effective inhibiting amount of a mixture of (a) a phosphite compound having the formula ##STR1# ...


10
Philippe Kalck, Philippe Serp, Massimiliano Corrias: Divided solid composition composed of grains provided with continuous metal deposition, method for the production and use thereof in the form of a catalyst. Arkema France, Institut National Polytechnique de Toulouse, Steven D Boyd, March 8, 2011: US07902104 (59 worldwide citation)

This invention relates to a solid divided composition comprising grains whose mean size is greater than 25 μm and less than 2.5 mm, wherein each grain is provided with a solid porous core and a homogeneous continuous metal layer consisting of at least one type of transition non-oxidised metal and ex ...