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Marion, Vernaison

Marie-Claire Marion, Vernaison FR

Patent application numberDescriptionPublished
20080200569Fischer-Tropsch Synthesis Process with Improved Regulation - A process for the production of liquid hydrocarbons by the Fischer-Tropsch process comprises a step a) for generating a synthesis gas, a step b) for Fischer-Tropsch synthesis, a step c) for condensing the gaseous effluent obtained during step b), a step d) for separating the effluent condensed during step c) to obtain a gaseous effluent enriched in carbon monoxide and hydrogen, and a step e) for recycling at least a portion of the enriched gaseous effluent obtained during step d) to the Fischer-Tropsch synthesis step b), characterized in that: 08-21-2008
20080262112Method For Temporarily Interrupting A Fischer-Tropsch Reaction In A Three-Phase Bed Reactor - A process for temporarily interrupting a Fischer-Tropsch type reaction carried out on a feed comprising at least carbon monoxide and hydrogen is carried out in a three-phase reaction zone comprising a liquid phase, a gas phase and solid catalyst particles maintained in suspension, said process comprising a step a) for interrupting the reaction and a step b) for restarting said reaction, during which the solid catalyst particles are maintained in suspension in the reaction zone; 10-23-2008
20090176894PROCESS OF FISCHER-TROPSCH SYNTHESIS BY CONTROL OF THE PARTIAL PRESSURE OF WATER IN THE REACTION ZONE - The subject of the invention is a process for the synthesis of hydrocarbons based on a synthesis gas type feedstock in which said synthesis gas is brought into contact with a catalyst in a reactor under Fischer-Tropsch synthesis conditions and in which the partial pressure of water is controlled in order to keep it below a critical value ppH07-09-2009
20100029792COBALT-BASED CATLAYST FOR FISCHER-TROPSCH SYNTHESIS - The invention relates to a catalyst which can be applied to a method for converting synthesis gas, said catalyst comprising: a) a support made of a solid solution containing at least one first aluminate element with a mixed spinel structure of formula M02-04-2010
20110009502Method for Optimizing the Operation of a Unit for the Synthesis of Hydrocarbons from a Synthesis Gas - The invention concerns a method for optimizing the operation of a reaction section for hydrocarbon synthesis starting from a feed comprising synthesis gas, operated in the presence of a catalyst comprising cobalt. This method comprises the following steps: a) determining the theoretical molar ratio, P01-13-2011
20120129961METHOD FOR OPTIMIZING THE OPERATION OF A HYDROCARBON SYNTHESIS UNIT STARTING FROM SYNTHESIS GAS, BY CONTROLLING THE PARTIAL PRESSURE OF CO - A method is described for optimizing the operation of a reaction section for the synthesis of hydrocarbons from a feed comprising synthesis gas, operated in the presence of a catalyst comprising cobalt, said method comprising the following steps: 05-24-2012
20130158139PROCESS FOR PRODUCTION OF HYDROCARBONS WITH CATALYST CONDITIONING - A method for continuous production of hydrocarbons from synthesis gas in the presence of a cobalt-based catalyst which comprises a step of providing synthesis gas from a source (06-20-2013
20130178545METHOD FOR PRODUCING HYDROCARBONS WITH CONTINUOUS CHARGING OF THE CATALYST - The present invention relates to a method for the continuous production of hydrocarbons from synthesis gas in the presence of a catalyst comprising a synthesis step in which a synthesis gas is reacted in the presence of a catalyst in a Fischer-Tropsch synthesis reactor (07-11-2013
20140155500INJECTION OF ADDITIVE INTO A UNIT FOR SYNTHESISING HYDROCARBONS STARTING FROM SYNTHESIS GAS ENABLING A HOMOGENOUS CONCENTRATION OF CATALYST TO BE CONTROLLED AND MAINTAINED - The invention relates to a process for synthesising hydrocarbons starting from a feedstock containing synthesis gas. In the process a solid Fischer-Tropsch catalyst is employed in a three-phase reaction section operated so that the catalyst is maintained in suspension in a liquid phase by the circulation of a gaseous phase from the bottom to the top of the reaction section. The process utilizes conditions to control and maintain the homogeneity of the concentration of catalyst particles in the reaction section.06-05-2014
20140323778CATALYTIC ADSORBENT FOR THE CAPTURE OF ARSENIC AND THE SELECTIVE HYDRODESULFURIZATION OF GASOLINES - A catalytic adsorbent, comprising at least cobalt and molybdenum deposited on a porous substrate in which the content of cobalt, expressed in terms of CoO oxide, is between 11 and 30% by weight relative to the total weight of said adsorbent and the content of molybdenum, expressed in terms of MoO10-30-2014
20140374321PROCESS FOR ELIMINATING ARSENIC FROM A HYDROCARBON FEED - The invention concerns a process for eliminating arsenic from a hydrocarbon feed which is at least partially liquid, comprising at least the following steps: 12-25-2014

Patent applications by Marie-Claire Marion, Vernaison FR

Philippe Marion, Vernaison FR

Patent application numberDescriptionPublished
20100145109METHOD FOR PREPARING DINITROTOLUENE - The present invention relates to a process for preparing dinitrotoluene. The process of the invention for preparing dinitrotoluene from mononitrotoluene, which comprises carrying out a mononitrotoluene nitration reaction using a nitrating mixture comprising nitric acid, sulphuric acid and water resulting in a two-phase medium and separating the organic and aqueous phases of said two-phase medium, is characterized in that the mononitrotoluene nitration is carried out using a nitrating mixture comprising at most 10% by weight of water resulting in a two-phase medium, in that the organic and aqueous phases of said two-phase medium are separated, and in that the aqueous phase derived from the separating operation is recycled, at the end of the mononitrotoluene nitration reaction and before the separation of the organic and aqueous phases, such that the weight ratio of the aqueous phase to the organic phase is at least equal to 1.2.06-10-2010
20100292121DICARBOXYLIC ACID DIESTERS, NOTABLY THOSE PREPARED FROM FUSEL OILS - Novel dicarboxylic acid diesters and admixture thereof have the formula (I):11-18-2010
20110021845PREPARATION OF ALCOHOLS FROM ALDEHYDES - Alcohols are prepared from aldehydes employing a bifunctional catalyst; the aldehydes are first condensed and the products of condensation thereof are then converted into alcohols by hydrogenation.01-27-2011
20110034693PREPARATION OF METHYLPENTAMETHYLENEDIAMINE AND METHYLPIPERIDINE - Methyl-2-pentamethylenediamine and methyl-3-piperidine are prepared by hydrogenation of methylglutaronitrile in the presence of a catalyst including cobalt, chromium, and nickel, especially a catalyst based on Raney cobalt doped with nickel and chromium.02-10-2011
20110082310PRODUCTION OF NITRILE COMPOUNDS - Organic compounds containing at least one site of ethylenic unsaturation are catalytically hydrocyanated and the medium of hydrocyanation is separated into desired linear organic compounds containing at least one nitrile function, e.g., 3-pentenenitrile, and undesired nitrile by-products, e.g., methylglutaronitrile, and the undesired nitrile by-products are hydrodenitrogenated into ammonia and at least one hydrocarbon compound under an absolute hydrogen pressure ranging from 0.1 to 10 MPa at a temperature ranging from 200° to 500° C. and in the presence of a hydrodenitrogenation catalyst.04-07-2011
20110112202HYDRODENITROGENATION OF HYDROCARBON COMPOUNDS CONTAINING NITRILE OR AMINE FUNCTIONS - Hydrocarbon compounds containing at least one nitrile or amine functional group, e.g., methylglutaronitrile or ortho-toluenediamine, are converted, via hydrodenitrogenation, into ammonia, hydrogen, carbon monoxide and hydrocarbon compounds, notably into hydrocarbon compounds having a low number of carbon atoms, such as methane, or into ammonia.05-12-2011
20110288324METHOD FOR MANUFACTURING COMPOUNDS INCLUDING NITRILE FUNCTIONS - A process for the preparation of compounds containing nitrile functions and, more specifically, compounds containing two nitrile functions, such as succinonitrile and adiponitrile, is described. A process for preparing dintrile compounds obtained by reacting ammonia with an aqueous solution of a dicarboxyl compound in the presence of a silicon orthophosphate catalyst is also described.11-24-2011
20110313204CATALYTIC METHOD OF MANUFACTURE OF COMPOUNDS OF THE DIOL TYPE - The invention relates to a catalytic method for the industrial production of a diol compound, such as 2-methyl-2-4-pentanediol, also called 2,4-hexylene glycol (HGL), from a β-hydroxy carbonyl compound, Formula (I), in particular diacetone alcohol (DAA).12-22-2011
20120220003METHOD FOR CONTINUOUSLY SEPARATING ORGANIC MATERIALS OF INTEREST FROM FERMENTATION - A method for continuously separating organic materials of interest from fermentation, in particular lactic or alcoholic fermentation, by flash evaporation is described. The method can make it possible to avoid inhibiting the fermentation reaction and to obtain high yields and productivity.08-30-2012
20130005810ORGANIC UNCOUPLING AGENTS - The present invention relates to a method for controlling the growth of bacterial biomass in an aqueous system, including adding to the aqueous system or contacting the aqueous system, with an efficient amount of an uncoupling agent selected from vanillin, pentaerythritol and a betaine of general formula (1): (R)01-03-2013
20130204001PROCESS FOR PRODUCING COMPOUNDS COMPRISING NITRILE FUNCTIONS - The production of compounds comprising nitrile functions and of cyclic imide compounds is described. Further described, is the production of compounds comprising nitrile functions from compounds comprising carboxylic functions, optionally of natural and renewable origin, and from a mixture N of dinitriles comprising 2-methylglutaronitrile (MGN), 2-ethylsuccinonitrile (ESN) and adiponitrile (AdN).08-08-2013
20130204015PROCESS FOR PREPARING A LACTONE - A method for preparing a lactone is described. Also described, is the preparation of butyrolactone, valerolactone and caprolactone. The method for preparing a lactone can include a reduction of a dicarboxylic acid using hydrogen, in a gaseous phase and in the presence of an effective amount of a catalyst including an active ruthenium-tin phase including at least one Ru08-08-2013
20130204046HYDRIDE TRANSFER PROCESS FOR KETONE PREPARATION - A hydride transfer process within a reaction between an alcohol and a ketone and in the presence of a heterogeneous catalyst is described. The process can transfer a hydride from an alcohol to a ketone, thus enabling reduction of the ketone and oxidation of the alcohol. Further described, is a process for the simultaneous preparation of cyclohexanone and isopropanol enabling an optimized industrial operation. A mixture of compounds useful for implementing the process and comprising two different ketones and two different alcohols is also described.08-08-2013
20130327988PROCESS FOR THE PREPARATION OF IMIDES AND DERIVATIVES THEREOF AND USES - A process for the preparation of imides and also the uses thereof, especially as intermediates for the preparation of solvents, in particular of diester solvents, is described. Further described is a process for preparing cyclic imides and derivatives thereof, especially the corresponding carboxylic acids.12-12-2013
20140171663PROCESS FOR PRODUCING COMPOUNDS COMPRISING NITRILE FUNCTIONS - The present invention relates to the production of compounds comprising nitrile functions and of cyclic imide compounds. It relates more particularly to the production of compounds comprising nitrile functions from compounds comprising carboxylic functions, advantageously of natural and renewable origin, and from 2-methylglutaronitrile (MGN) or a mixture N of dinitriles comprising 2-methylglutaronitrile (MGN), 2-ethylsuccinonitrile (ESN) and adiponitrile (AdN).06-19-2014
20140235902Method for preparing a mixture of alcohols - A method for preparing a mixture (M) comprising at least an alcohol (Aj), said method comprising the following steps: i) a step in which at least an alcohol (Ai) in gaseous state is oligomerized, thereby producing a mixture (A); ii) a step in which the mixture (A) is condensed to a gaseous stream and to a liquid stream corresponding to a condensed mixture (A); and iii) a step in which the condensed mixture (A) is hydrogenated in the liquid state.08-21-2014
20140316168Process for preparing a mixture of alcohols - A process for preparing a mixture (M) comprising at least one alcohol (Aj), wherein said process comprises a reaction for oligomerization in the gas phase of at least one alcohol (Ai), carried out in the presence of a solid catalyst doped with one or more metals, at a temperature greater than or equal to 50° C. and strictly below 200° C. The oligomerization reaction is carried out in the absence of hydrogen.10-23-2014
20140343304METHOD FOR MANUFACTURING COMPOUNDS INCLUDING NITRILE FUNCTIONS - The present invention relates to the manufacture of compounds of general formula I or III including nitrile functions. Specifically, the invention relates to the manufacture of compounds including nitrile functions from compounds which include carboxyl functions and which are advantageously of natural and renewable origin.11-20-2014
20140350265Method for producing compounds comprising nitrile functions - The present invention concerns the production of compounds comprising nitrite functions and cyclic imide compounds. More specifically, the invention relates to the production of compounds comprising nitrile functions from compounds comprising carboxylic functions, advantageously of natural and renewable origin, and from methyl-2 glutaronitrile (MGN) or a mixture N of dinitriles comprising methyl-2 glutaronitrile (MGN), ethyl-2 succinonitrile (ESN) and adiponitrile (AdN).11-27-2014
20140364351Process for preparing a mixture of alcohols - A method for preparing a mixture (M) including at least one alcohol (Aj), wherein said method includes a gas-phase oligomerization reaction of at least one alcohol (Ai) with a solid acid-base catalyst doped with one or more metals, said reaction being carried out in the presence of hydrogen and at a temperature of no less than 50° C. and strictly less than 200° C.12-11-2014
20150051401PROCESS FOR PREPARING LACTAMS - The present invention relates to a method for preparing lactams using heterogeneous catalysis by hydrogenating at least one compound of the following formula (I), where A is a radical of the following formula (I′) or (II′): —CH(R02-19-2015
20150087803Process for preparing poly(N-acylamides) and poly(N-acylamides) as obtained - The present invention relates to a process for preparing a poly(N-acylamide) by reaction between: —at least one compound of the following formula (I): X—R03-26-2015

Patent applications by Philippe Marion, Vernaison FR

Phillippe Marion, Vernaison FR

Patent application numberDescriptionPublished
20090326261PREPARATION OF DIESTERS FROM IMIDE/DINITRILE COMPOUNDS - Diester compounds are prepared from imide/dinitrile compounds employing a vapor-phase hydrolysis of dinitrile compounds in the presence of alcohol, more particularly from branched dinitrile compounds, such as methylglutaronitrile or branched dinitrile compounds obtained as by-products in a process for the production of adiponitrile by hydrocyanation of butadiene.12-31-2009
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