Patent application number | Description | Published |
20080277632 | Method of Preparing a Thin Ceramic Composition with Two Materials, the Composition thus Obtained and the Constituent Electrochemical Cell and Membrane - A method to prepare a thin ceramic or metallic solid-state composition comprising three phases: a material (A), a material (B), and pores, wherein the porous matrix of material (A) has a porosity gradient in the range of about 0% to about 80%, and wherein the pores are partially or completely filled with material (B). Various compositions and methods of use for the prepared composition are also disclosed. | 11-13-2008 |
20090208645 | Manufacturing Process for Thin Films Made of Metal /Ceramic Composite - Process for manufacturing composite metal/ceramic thin films, consisting of:
| 08-20-2009 |
20090256285 | Method of producing a ceramic component - A method of producing a ceramic component includes dispersing an alpha-alumina nanopowder whose diameter is above 100 nm in water, using 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTC) or 4,5-Dihydroxy-m-benzenedisulfonic Acid, Disodium Salt (Tiron™) as dispersant. The pH is shifted towards the isoelectric point (IEP) by adding a mixture of acetic anhydride and ethylene glycol or polyethylene glycol, drying in a controlled atmosphere (humidity, temperature) and post compacting using cold isostatic pressing and sintering the three-dimensional structure thus formed. | 10-15-2009 |
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 |
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 |
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 |
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 |
20110165482 | Method for preparing a thin ceramic material with controlled surface porosity gradient, and resulting ceramic material - A method for preparing a thin ceramic material with a continuous controlled surface porosity gradient is disclosed as well as its use for producing electrochemical cells that conduct by oxide ions. The thin ceramic material is characterized by a continuous variation in porosity from 0% to about 80% of small thicknesses. | 07-07-2011 |
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 |
20120119420 | Nano metric composite ceramic component - A method of synthesising a nano metric composite which has a core and shell structure includes preparing isometric metal oxide cores with an average diameter of less than 100 nm by a growth process via a liquid route. A double surfactant method is used which includes a first surfactant to obtain mono dispersal of the metal oxide cores and then a second surfactant to prepare the surface of the metal oxide cores, thereafter grafting a shell on each core. | 05-17-2012 |
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 |
20140335266 | Process For Preparing A Sol-Gel From At Least Three Metal Salts And Use Of The Process For Preparing A Ceramic Membrane - Method for preparing a sol-gel corresponding to the general formula (I): | 11-13-2014 |