Patent application number | Description | Published |
20080318759 | Method of Producing Porous Ceramic Supports of Controlled Microstructure - Process for producing a ceramic part from a ceramic powder, comprising the following successive steps: a step (a) of deagglomerating the ceramic powder in liquid phase; a step (b) of incorporating pore formers into the powder dispersion prepared in step (a); a step (c) of removing the liquid medium from the dispersion prepared in step (b); a step (d) of forming agglomerates form the powders obtained in step (c); a step (e) of removing the binder from the preform prepared in step (d); and a step (f) of sintering the binderless part prepared in step (e). | 12-25-2008 |
20090031895 | Method for Producing Oxygen, From Air, Particularly Using an Electrochemical Cell with Ceramic Membrane, with Control Means for Continuous Production - Method for producing oxygen from air, in which, for this purpose, a generator is used that generates oxygen at its outlet, from air introduced at its inlet. | 02-05-2009 |
20090272943 | Supported Noble Metal Catalyst And Its Use In Synthesis Gas Production - A catalytic composition comprising a catalytically active metal and a solid support, characterized in that said catalytically active metal is included into the core structure of said solid support, and said solid support is a refractory and ionic conductive oxide, process for their preparation and its use as a catalyst in synthesis gas production. | 11-05-2009 |
20090283419 | Catalyst Consisting of a Solid Support, an Oxide and a Metal Active Phase Which is Grafted on the Oxide, a Method for the Preparation and the Use Thereof - A catalyst assembly for catalyzing chemical reactions in a gas phase consists of a solid support, whose surface (S) is provided with an anchorage oxide (O) which is chemically different therefrom and is fixed thereto, wherein said anchorage oxide covers a non-zero area percentage of said solid support (S) surface and of a metal phase (M) catalytically active for the considered chemical reaction, is characterized in that said catalytically active metal phase (M) is anchored to said solid support (S) by means of the anchorage oxide (O) which is also grafted on the solid support (S). | 11-19-2009 |
20090302275 | Supported Nobel Metal Catalyst And Its Use In Synthesis Gas Production - A catalytic composition comprising a catalytically active metal and a solid support, characterized in that a proportion of said catalytically active metal is dispersed on the outer surface of said support and another proportion is included into the core structure of said solid support, and said solid support is a refractory and ionic conductive oxide. | 12-10-2009 |
20110017953 | Process for the Preparation of a Catalytic Specie Using Electro-Deposition - Process for the preparation of a catalytic specie consisting essentially of a metallic support, which is coated with a ceramic active phase layer, mainly compound of the general formula (I): | 01-27-2011 |
20110097259 | Ceramic Foam with Gradient of Porosity in Heterogeneous Catalysis - The invention relates to an architecture comprising ceramic or metallic foam, characterized in that the foam has at least one continuous and/or discontinuous, axial and/or radial porosity gradient ranging from 10 to 90%, and a pore size from 2 ppi to 60 ppi, and in that the architecture has a micro structure comprising specific area ranging between 0.1 to 30 m | 04-28-2011 |
20110100843 | GAS VESSEL PACKING STRUCTURE HAVING A CRYSTALLINE PHASE - The present invention relates to a container packing structure, characterized in that it comprises a crystalline phase containing 55 to 97% by weight of xonotlite crystallites and 3 to 45% by weight of tobermorite crystallites. It also relates to a method for fabricating such a packing structure, and the container containing same, and its use for storing fluids such as gases. | 05-05-2011 |
20110105304 | Ceramic Foams with Gradients of Composition in Heterogeneous Catalytic - Architecture comprising ceramic or metallic foam, characterized in that the foam has a constant axial and radial porosity between 10 to 90% with a pore size between 2 to 60 ppi, and at least one continuous and/or discontinuous, axial and/or radial concentration of catalytic active(s) phase(s) from 0.01 wt % to 100 wt %, preferentially from 0.1 to 20 wt. %, and in that the architecture has a microstructure comprising specific area ranging between 0.1 to 30 m | 05-05-2011 |
20110105305 | Ceramic Foams with Gradient of Porosity and Gradient of Catalytic Active(s) Phase(s) - An architecture made of a ceramic or a metallic foam has at least one continuous and/or discontinuous, axial and/or radial porosity gradient ranging from 10 to 90% associated to a pore size range from 2 to 60 ppi, at least one continuous and/or discontinuous, axial and/or radial concentration gradient of catalytic active(s) phase(s) from 0.01 wt % to 100 wt % preferentially from 0.1 wt % to 20 wt %, and a microstructure with a specific area ranging between 0.1 to 30 m | 05-05-2011 |
20110108514 | Method for Producing a Packing Structure with Control Over the Drying Step - The invention relates to a method for producing a packing structure, characterized in that it includes the following main steps: a) a step comprising the hydrothermal synthesis of the packing mass, performed using a mixture of quicklime and silica; and b) a step comprising the drying of the packing mass produced in step (a) at a temperature T | 05-12-2011 |
20110118112 | Supported Catalyst For Producing H2 And/Or CO From Low Molecular Weight Hydrocarbons - Chemical combination (C) between an active solid phase which is covalently bound to the surface of an inert solid phase, characterized in that said solid active phase essentially consists in a solid solution of a mixture of at least a magnesium oxide type phase compound and at least a magnesium silicate type phase compound in which Al, and Rh and/or Ni cations are soluted and characterized in that said inert solid phase is either a compound represented by the general formula (I): | 05-19-2011 |
20110207596 | Method for Producing a Packing Structure with Control Over Hydrothermal Synthesis Parameters - The invention relates to a method for producing a packing structure, characterized in that it includes the following steps: a) a step in which the temperature of an initial mixture of quicklime and silica is raised to a temperature T1 of between 150 and 300° C. over a period of less than 10 hours; b) a step in which hydrothermal synthesis is performed using the mixture of quicklime and silica produced in step (a) at a temperature T1 of between 150 and 300° C. and at a pressure P1 of between 5×10 | 08-25-2011 |
20110298165 | Addition of (A) Blocking Agent(s) in a Ceramic Membrane for Blocking Crystalline Growth of Grains During Atmospheric Sintering - A composite material (M) comprising: at least 75% by volume of a mixed electronic conductor compound oxygen anions O<2->(C1) selected from doped ceramic compounds which, at the temperature of use, are present in the form of a crystalline network having ion oxide lattice vacancies and, more particularly, in the form of a cubic phase, a fluorite phase, a perovskite phase, of the aurivillius variety, a Brown-Millerite phase or a pyrochlore phase; and 0.01%-25% by volume of a compound (C2) which is different from compound (C1), selected from oxide-type ceramic materials, non-oxide type ceramic materials, metals, metal alloys or mixtures of said different types of material; and 0%-2.5% by volume of a compound (C3) produced from at least one chemical reaction represented by the equation: xFC1+yFC2----->zFC3, wherein FC1, FC2 and FC3 represent the raw formulae of compounds (C1), (C2) and (C3) and x, y and z represent rational numbers above or equal to 0. The invention also relates to a method for the preparation and use thereof as mixed conductor material for a membrane catalytic reactor used to synthesize synthetic gas by catalytic oxidation of methane or natural gas and/or as mixed conductor material for a ceramic membrane. | 12-08-2011 |
20110303320 | High-Performance Lining Structure with Controlled Lateral Clearances - Container having a lining structure, comprising a crystalline phase containing 55 to 97 wt % of xonotlite crystallites and 3 to 45 wt % of tobermorite crystallites and comprising less than 15 wt % of intermediates of formula Ca | 12-15-2011 |
20120142526 | METHOD FOR PRODUCING A CERAMIC FOAM HAVING REINFORCED MECHANICAL STRENGTH FOR USE AS A SUBSTRATE FOR A CATALYST BED - A method for manufacturing ceramic foam, including impregnating polymer foam having an open porosity with a first suspension of ceramic particles in a solvent; drying the impregnated polymer foam; heat treating the dried polymer foam by thermally decomposing the dried polymer foam; unbinding the organic compounds contained in the polymer foam, and pre-sintering the ceramic particles contained in the polymer foam; impregnating the polymer foam with a second suspension of ceramic particles in a solvent; drying the polymer foam, sintering the ceramic particles contained in the polymer foam. | 06-07-2012 |
20120149548 | PROCESS FOR THE PREPARATION OF A CATALYTIC SPECIE USING ELECTRO-DEPOSITION - Process for the preparation of a catalytic specie consisting essentially of a metallic support, which is coated with a ceramic active phase layer, mainly compound of the general formula (I): | 06-14-2012 |
20120235096 | Catalytic Reactor Including a Cell-Like Structure and Elements Optimizing the Contact Thereof with the Inner Wall of the Reactor - The invention relates to a catalytic reactor including: a reaction chamber; at least one catalytic structure made up of at least one catalytic cell-like architecture having outer dimensions at most 10% smaller than the inner dimensions of the reaction chamber; an annular space between the inner wall of the reaction chamber and the cell-like architectures; and at least one second structure positioned in the annular space, selected from among: a) a fibrous structure, or b) a structure including at least one metal collar clasping at least one portion of the cell-like architectures and supporting metal fins. | 09-20-2012 |
20120241674 | Catalytic Reactor Including One Cellular Area Having Controlled Macroporosity and a Controlled Microstructure and One Area Having a Standard Microstructure - The invention relates to a catalytic reactor including: at least one first architecture/microstructure including a ceramic and/or metal cellular architecture having a pore size of 2 to 80 ppi and a macroporosity of more than 85%, and a microstructure having a grain size of 100 nm to 5 microns, and skeleton densification of more than 95%, and a catalytic layer; and at least one second architecture/microstructure including a spherical or cylindrical architecture having a pore size of 0.1 to 100 μm and a macroporosity of less than 60%, and a microstructure having a grain size of 20 nm to 10 μm and a skeleton densification of 20% to 90%, and a catalytic layer; the first and second architecture/microstructure being stacked inside said reactor. | 09-27-2012 |
20120245024 | METHOD FOR MANUFACTURING A CATALYST SUPPORT - A method for manufacturing a catalyst support, includes, in the following order, the steps of: (a) shaping a non-sintered porous ceramic base support; (b) depositing, on at least part of the surface of the non-sintered porous ceramic base support, a suspension of ceramic powder in a solvent or a mixture of solvents so as to form an interface layer able to increase the surface area of the base support; (c) sintering the base support, at least partially coated with the suspension. This method allows to economically and rapidly manufacture catalyst supports, and especially burners for fragrance diffuser. | 09-27-2012 |
20120248377 | Catalytic Reactor Including a Catalytic Cellular Structure and at least One Structural Element - The invention relates to a catalytic reactor including at least two catalytic cellular architectures and at least one structural element, inserted between the two catalytic cellular architectures, in which the entire outer perimeter is in contact with the inner wall of the reactor, the cellular architecture and the structural element being arranged coaxially. | 10-04-2012 |
20130264520 | CATALYST COMPRISING PHYSICALLY AND CHEMICALLY BLOCKED ACTIVE PARTICLES ON A SUPPORT - The invention relates to a catalyst comprising: a) a catalyst support made of a ceramic, the support comprising an arrangement of crystallites having the same size, the same isodiametric morphology and the same chemical composition or substantially the same size, the same isodiametric morphology and the same chemical composition, in which each crystallite makes point contact or almost point contact with the surrounding crystallites; and b) at least one active phase comprising metallic particles that interact chemically with said catalyst support made of a ceramic and that are mechanically anchored to said catalyst support in such a way that the coalescence and mobility of each particle are limited to a maximum volume corresponding to that of a crystallite of said catalyst support. | 10-10-2013 |
20130266802 | CATALYST CERAMIC SUPPORT HAVING A CONTROLLED MICROSTRUCTURE - The invention relates to a catalyst support made of a ceramic, the support comprising an arrangement of crystallites having the same size, the same isodiametric morphology and the same chemical composition or substantially the same size, the same isodiametric morphology and the same chemical composition, in which each crystallite makes point contact or almost point contact with the surrounding crystallites. | 10-10-2013 |
20130284980 | Catalyst Comprising Active Particles Physically Pinned to the Support - Catalyst comprising: a) a catalytic ceramic support comprising an arrangement of crystallites of the same size, same isodiametric morphology and same chemical composition or substantially of the same size, same isodiametric morphology and same chemical composition in which each crystallite is in point contact or virtually point contact with crystallites that surround it, and b) at least one active phase comprising metallic particles mechanically anchored into said catalytic support so that the coalescence and the mobility of each particle are limited to a volume corresponding to that of a crystallite of said catalytic ceramic support. | 10-31-2013 |
20140120014 | Device for the Purification of Exhaust Gases from a Heat Engine, Comprising a Ceramic Carrier and an Active Phase Chemically and Mechanically Anchored in the Carrier - Device for the purification of exhaust gases from a thermal combustion engine comprising: | 05-01-2014 |
20140127099 | Device for Purifying Exhaust Gases from a Heat Engine, Comprising a Catalytic Ceramic Support Comprising an Arrangement of Essentially Identical Crystallites - Device for purifying exhaust gases from a thermal combustion engine, comprising a catalytic ceramic carrier comprising an arrangement of crystallites of the same size, same isodiametric morphology and same chemical composition or substantially the same size, same isodiametric morphology and same chemical composition, wherein each crystallite is in contact at a singular or almost singular point with surrounding crystallites, and whereon at least one active phase is deposited for the chemical destruction of impurities in the exhaust gas. | 05-08-2014 |
20140130482 | Device for the Purification of Exhaust Gases from a Heat Engine, Comprising a Ceramic Carrier and an Active Phase Mechanically Anchored in the Carrier - Device for the purification of exhaust gases from a thermal combustion engine comprising: | 05-15-2014 |
20140336041 | RHODIUM CATALYSTS FOR ETHANOL REFORMING | 11-13-2014 |