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
Olivier Avaro
Marie Dudon, Olivier Avaro, Gerard Eude: Method for interpolating images. France Telecom, Oblon Spivak McClelland Maier & Neustadt P C, August 3, 1999: US05933547 (15 worldwide citation)

The invention concerns a method for interpolating images by means of triangulation and geometrical transformation, wherein a triangulation of images and an estimation of movements of apexes is carried out to insert images sub-sampled temporally or steroscopically.


3
Marc Lanoiselee
Marc Lanoiselee: Transmission system with suppressed carrier signal amplitude modulation preserving the polarity of the transmitted signal, and corresponding transmitter and receiver. L Etat Francais, Telediffusion de France, Merchant Gould Smith Edell Welter & Schmidt, December 31, 1991: US05077542 (15 worldwide citation)

A system of transmission with amplitude modulation for the transmission of signals of all types, analog and/or digital, requiring high performance characteristics with respect to the noise induced by the transmission channel, comprising, at transmission, means for the suppressed carrier amplitude mo ...


4
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.


5
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.


6
Jean-luc Dubois
Jean Luc DuBois, Edmond Payen, Michel Fournier, Pascal Blanchard, Anne Griboval: Process for preparing water-treatment catalysts. Elf Antar France, Burgess Ryan & Wayne, July 18, 2000: US06090745 (8 worldwide citation)

The invention provides a method for preparing catalysts, containing metals of groups VI and VIII on a carrier. The metals of groups VI and VIII metals are introduced in the form of a compound of formula M.sub.x A B.sub.12 O.sub.40 in which M is cobalt and/or nickel, A is phosphorus, silicon and/or b ...


7
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 ...


8
Abdellatif Benjelloun Touimi
David Virette, Claude Lamblin, Abdellatif Benjelloun Touimi: Optimized multiple coding method. France Telecom, Drinker Biddle & Reath, September 7, 2010: US07792679 (4 worldwide citation)

The invention relates to the compression coding of digital signals such as multimedia signals (audio or video), and more particularly a method for multiple coding, wherein several encoders each comprising a series of functional blocks receive an input signal in parallel. Accordingly, a method is pro ...


9
Jean-luc Dubois
Jean Luc Dubois: Process for manufacturing acrolein from glycerol. Arkema France, Lynn B Morreale, February 19, 2013: US08378136 (4 worldwide citation)

The subject of the present invention is a process for preparing acrolein by dehydration of glycerol in the presence of a catalyst system comprising oxygen, phosphorus and at least one metal chosen from vanadium, boron or aluminium. The process is preferably carried out in the gas phase in the presen ...


10
Jean-luc Dubois
Jean Luc Dubois, Markus Brandhorst, Mickaël Capron, Christophe Dujardin: Process for preparing partial oxidation products of lower alcohols by direct oxidation of a lower alcohol and catalysts for use in that process. Arkema France, Collard & Roe P C, July 20, 2010: US07759525 (4 worldwide citation)

The use of a complex oxide having the following composition (I). Mo12VaX1bX2cX3dX4eOx (I) wherein Mo is molybdenum; V is vanadium; O is oxygen; X1 is at least one element selected from tungsten, titanium, tantalum and niobium; X2 is at least one element selected from copper, antimony, tellurium and ...