| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 502177000 | Carbide | 38 |
| 20080280754 | Process For Preparing a Catalytic Composition For the Hydroconversion of Petroleum Fractions - The invention relates to a method of preparing a catalytic composition comprising at least one non-noble metal from group VIII and at least one metal from group VIB of the periodic table. The invention also relates to the catalytic composition thus produced, which has a high specific activity in reactions involving the hydroprocessing of light and intermediate fractions, preferably in reactions involving the hydrotreatment of hydrocarbon streams, including hydrodesulphurisation (HDS), hydrodenitrogenation (HDN) and hydro-dearomatisation (HDA). | 11-13-2008 |
| 20080318768 | OXIDATION CATALYST AND PROCESS - This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having formed thereon compositions which comprise a transition metal in combination with nitrogen and/or carbon. The invention further relates to the fields of catalytic oxidation, including the preparation of secondary amines by the catalytic oxidation of tertiary amines. | 12-25-2008 |
| 20090203519 | NON-POROUS CATALYSTS FOR CO2 SEQUESTRATION THROUGH DRY REFORMING - A carbon sequestration and dry reforming process for the production of synthesis gas and sequestered carbon from carbon dioxide. Two-dimension (non-porous) catalysts for sequestering carbon are also disclosed and a process to produce same as well as a method for activating two dimension catalysts. | 08-13-2009 |
| 20090258780 | POROUS INORGANIC OXIDE SUPPORT AND HYDROTREATING CATALYST OF CATALYTIC CRACKING GASOLINE USING THE SAME - A porous inorganic oxide support comprising an oxygen-containing carbonaceous material supported thereon, preferably a porous inorganic oxide support wherein the oxygen-containing carbonaceous material is a carbide of an oxygen-containing organic compound, wherein the ratio of the supported carbon amount with respect to the mass of the support for preparing the catalyst is from 0.05 to 0.2, the atomic ratio of the supported hydrogen amount with respect to the supported carbon amount is from 0.4 to 1.0, and the atomic ratio of the supported oxygen amount with respect to the supported carbon amount is from 0.1 to 0.6; and a hydrotreating catalyst of catalytic cracking gasoline which comprises the support and a catalyst containing a Group 8 metal of the periodic table, molybdenum (Mo), phosphorus and sulfur which is supported on the support are useful as a desulfurization catalyst of, for example, catalytic cracking gasoline at a hyperdesulfurized level, because of having functions of suppressing the hydrogenation activity of olefins and minimizing the decrease in the octane number even under reaction conditions with a high desulfurization ratio. | 10-15-2009 |
| 20100041546 | OXIDATION CATALYST AND PROCESS - An oxidation catalyst is prepared by pyrolyzing a source of iron and a source of nitrogen on a carbon support. Preferably, a noble metal is deposited over the modified support which comprises iron and nitrogen bound to the carbon support. The catalyst is effective for oxidation reactions such as the oxidative cleavage of tertiary amines to produce secondary amines, especially the oxidation of N-(phosphonomethyl)iminodiacetic acid to N-(phosphonomethyl)-glycine. | 02-18-2010 |
| 20100292074 | Catalyst Structure and Method of Fischer-Tropsch Synthesis - The present invention includes Fischer-Tropsch catalysts, reactions using Fischer-Tropsch catalysts, methods of making Fischer-Tropsch catalysts, processes of hydrogenating carbon monoxide, and fuels made using these processes. The invention provides the ability to hydrogenate carbon monoxide with low contact times, good conversion rates and low methane selectivities. In a preferred method, the catalyst is made using a metal foam support. | 11-18-2010 |
| 20100292075 | VISIBLE LIGHT RESPONSE-TYPE PHOTOCATALYST POWDER, VISIBLE LIGHT RESPONSE-TYPE PHOTOCATALYST MATERIAL USING THE VISIBLE LIGHT RESPONSE-TYPE PHOTOCATALYST POWDER, PHOTOCATALYST COATING MATERIAL, AND PHOTOCATALYST PRODUCT - In one embodiment, a visible light responsive photocatalyst powder has organic gas decomposition performance that responds nonlinearly to an amount of irradiated light under visible light in an illuminance range of not less than 200 lx nor more than 2500 lx. The visible light responsive photocatalyst powder has a gas decomposition rate of 20% or more, for example, when visible light having only a wavelength of not less than 380 nm and an illuminance of 2500 lx is irradiated, the gas decomposition rate (%) being set as a value calculated based on [formula: (A−B)/A×100], where A represents a gas concentration before light irradiation and B represents a gas concentration when not less than 15 minutes have elapsed from the light irradiation and, at the same time, the gas concentration is stable, the gas concentrations being measured while allowing an acetaldehyde gas having an initial concentration of 10 ppm to flow into a flow-type apparatus in which 0.2 g of a sample is placed. | 11-18-2010 |
| 20120135858 | CATALYST AND METHODS FOR PRODUCING MULTI-WALL CARBON NANOTUBES - The present invention provides a catalyst precursor and a catalyst suitable for preparing multi-wall carbon nanotubes. The resulting multi-wall carbon nanotubes have a narrow distribution as to the number of walls forming the tubes and a narrow distribution in the range of diameters for the tubes. Additionally, the present invention provides methods for producing multi-wall carbon nanotubes having narrow distributions in the number of walls and diameters. Further, the present invention provides a composition of spent catalyst carrying multi-wall nanotubes having narrow distribution ranges of walls and diameters. | 05-31-2012 |
| 20120258854 | METHOD FOR TREATING A SUPPORTED CATALYST - A method for treating a supported catalyst includes establishing shell-removal conditions for a supported catalyst that includes nanoparticles of a catalyst material on a carbon support. The nanoparticles each include a platinum alloy core capped in an organic shell. The shell-removal conditions include an elevated temperature and an inert gas atmosphere that is substantially free of oxygen. The organic shell is then removed from the platinum alloy core in the shell-removal conditions. | 10-11-2012 |
| 20120264595 | Transition Metal-Containing Catalysts and Catalyst Combinations Including Transition Metal-Containing Catalysts and Processes for Their Preparation and Use as Oxidation Catalysts - This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having compositions which comprise one or more transition metals in combination with nitrogen and/or carbon formed on or over the surface of the carbon support. The present invention also relates to catalyst combinations comprising catalysts including carbon supports having compositions which comprise one or more transition metals in combination with nitrogen and/or carbon formed on or over the surface of a carbon support and a secondary catalyst or, co-catalyst, including a secondary transition metal. The invention further relates to the field of catalytic oxidation reactions, including the preparation of secondary amines by the catalytic oxidation of tertiary amines. | 10-18-2012 |
| 20120302435 | Process and Catalyst for Production of Mixed Alcohols from Synthesis Gas - A preferred embodiment of the process involves a generate a catalyst that comprises molybdenum carbide nickel material. Steps may involve heating a surface that comprises molybdenum oxide and a nickel salt while passing thereover a gaseous mixture that comprises a reductant and a carburizer. In certain embodiments, the reductant and the carburizer may both be carbon monoxide, or both be a saturated hydrocarbon. In others, the reductant may be carbon monoxide and the carburizer may be a saturated hydrocarbon. | 11-29-2012 |
| 20120329642 | PLATINUM-PALLADIUM CATALYST WITH INTERMEDIATE LAYER - A fuel cell catalyst comprises a support having a core arranged on the support. In one example, the core includes palladium nanoparticles. A layer, which is gold in one example, is arranged on the core. A platinum overlayer is arranged on the gold layer. The intermediate gold layer greatly increases the mass activity of the platinum compared to catalysts in which platinum is deposited directly onto the palladium without any intermediate gold layer. | 12-27-2012 |
| 20130029836 | Composite Materials Formed With Anchored Nanostructures - A method of forming nano-structure composite materials that have a binder material and a nanostructure fiber material is described. A precursor material may be formed using a mixture of at least one metal powder and anchored nanostructure materials. The metal powder mixture may be (a) Ni powder and (b) NiAl powder. The anchored nanostructure materials may comprise (i) NiAl powder as a support material and (ii) carbon nanotubes attached to nanoparticles adjacent to a surface of the support material. The process of forming nano-structure composite materials typically involves sintering the mixture under vacuum in a die. When Ni and NiAl are used in the metal powder mixture Ni | 01-31-2013 |
| 20130045865 | HIGH ACTIVITY EARLY TRANSITION METAL CARBIDE AND NITRIDE BASED CATALYSTS - A catalyst composition contains an active metal on a support including a high surface area substrate and an interstitial compound, for example molybdenum carbide. Pt—Mo | 02-21-2013 |
| 20130109561 | IRON-BASED FISCHER-TROPSCH CATALYST | 05-02-2013 |
| 20130274093 | IRON AND COBALT BASED FISCHER-TROPSCH PRE-CATALYSTS AND CATALYSTS - A method of making iron and cobalt pre-catalysts and catalysts in activated, finished form suitable for use in Fischer-Tropsch synthesis. The pre-catalysts are prepared by mixing an iron or cobalt salt, a base, and a metal oxide textural promoter or support. The reaction is carried out in a solvent deficient environment. The resulting product is then calcined at temperatures of about 300-500° C. to produce a metal oxide. The catalysts are prepared by reducing the metal oxide in the presence of hydrogen at temperatures of about 300-500° C. and carbiding the reduced metal in the case of iron. | 10-17-2013 |
| 20130281285 | MOLYBDENUM AND TUNGSTEN NANOSTRUCTURES AND METHODS FOR MAKING AND USING SAME - The present invention provides molybdenum and tungsten nanostructures, for example, nanosheets and nanoparticles, and methods of making and using same, including using such nanostructures as catlysts for hydrogen evolution reactions. | 10-24-2013 |
| 20140121097 | CATALYSTS BY CONCURRENT CREATION OF SUPPORT AND METAL (3C-SAM) - A catalyst structure comprising dispersed metal catalyst on support, wherein the support but not the metal catalyst can be observed using x-ray diffraction, and wherein the metal catalyst can be chemically detected. | 05-01-2014 |
| 20140235432 | Transition Metal-Containing Catalysts and Processes for Their Preparation and Use As Oxidation and Dehydrogenation Catalysts - This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having formed thereon compositions which comprise a transition metal in combination with nitrogen and/or carbon. The invention further relates to the fields of catalytic oxidation and dehydrogenation reactions, including the preparation of secondary amines by the catalytic oxidation of tertiary amines and the preparation of carboxylic acids by the catalytic dehydrogenation of alcohols. | 08-21-2014 |
| 20150105241 | PROCESS FOR THE PRODUCTION OF NON-SINTERED TRANSITION METAL CARBIDE AND NITRIDE NANOPARTICLES - Transition metal carbide, nitride, phosphide, sulfide, or boride nanoparticles can be made by transforming metal oxide materials coated in a ceramic material in a controlled environment. The coating prevents sintering while allowing the diffusion of reactive gases through the inorganic matrix that can then alter the metal nanoparticle oxidation state, remove oxygen, or intercalate into the lattice to form a carbide, nitride, phosphide, sulfide, or boride. | 04-16-2015 |
| 502178000 | Silicon carbide | 18 |
| 20090054227 | METHOD FOR OBTAINING A HOMOGENEOUS FILTERING STRUCTURE FOR A CATALYTIC APPLICATION - The invention relates to a method of obtaining a homogeneous filtering structure for a catalytic application, which can be used as a particulate filter in an internal combustion engine exhaust line, said structure comprising a plurality of honeycomb filter elements in which a homogeneity criterion characteristic of the constituent support material of said elements, in the absence of a catalytic coating, is determined in a prior step, and then the elements making up the structure are selected by means of this homogeneity criterion so as to obtain a structure suitable for homogeneous deposition, within an element and from one element to another, of a catalyst for treating the pollutants in gas phase. | 02-26-2009 |
| 20090088317 | Multi-metal reduction catalysts and methods of producing reduction catalysts - A reduction catalyst having a first metal component comprising one of Co, Os, Fe, Re, Rh and Ru. The first metal component is present in the catalyst at from 0.5 percent to 20 percent, by weight. A second metal component differing from the first metal component present in the catalyst with the second metal component being selected from the group consisting of Fe, Mn, Ru, Os, Rh, Ir, Ni, Pd, Pt, Ag, Au, Zn, Co, Re, Cu, Pb, Cr, W, Mo, Sn, Nb, Cd, Te, V, Bi, Ga and Na. A hydrogenation catalyst comprising one or both of Ni and Co and one or more elements selected from the group consisting of Mn, Fe, Ag, Au, Mo and Rh. | 04-02-2009 |
| 20090111687 | CATALYST DESIGN AND PREPARATION PROCESS FOR STEAM-REFORMING CATALYSTS - The invention relates to a catalyst with large surface area structure, in particular for steam-reforming catalysts, which is characterised in that the large surface area structure is formed of a large number of round or parallel penetrating holes of polygonal cross-section, wherein the catalyst carrier is prepared in the injection moulding process, coated with a washcoat and then impregnated with the active component. The catalyst carrier includes at least one sinterable material and has a lateral pressure resistance of at least 700 N. The invention further relates to a process for the preparation of such catalysts and the use thereof in a reactor. | 04-30-2009 |
| 20090163356 | CATALYZED SOOT FILTER AND METHOD(S) TO MAKE THESE - An improved soot catalyst is comprised of an alkali compound at least partially coated by a ceramic coating comprised of C bonded to a metal, semimetallic element or combination thereof. The improved soot catalyst may be employed in catalyzed Diesel particulate filters. In one method to make a catalyzed Diesel particulate filter, the improved filter is made by contacting a porous ceramic body having an alkali catalyst thereon, coating the alkali catalyst with an organic ceramic precursor, heating the ceramic body to a temperature in an atmosphere sufficient to decompose the organic ceramic precursor to form the soot catalyst on the porous ceramic body without volatilizing substantial amount of the alkali catalyst away. | 06-25-2009 |
| 20090247399 | CATALYTIC DIESEL PARTICULATE FILTER AND MANUFACTURING METHOD THEREOF - There are provided a catalytic diesel particulate filter that is arranged in an exhaust system of a diesel engine and includes a catalyst that burns a particulate matter contained in an exhaust gas from the diesel engine, wherein the catalyst is configured in such a manner that a ceria based catalyst coat layer | 10-01-2009 |
| 20100105545 | CERAMIC HONEYCOMB STRUCTURE - A ceramic honeycomb structure includes an outer peripheral wall, partition walls provided in the form of a honeycomb inside the outer peripheral wall, and a plurality of cells partitioned by the partition walls and at least partly penetrating both ends of the structure. In the ceramic honeycomb structure, a catalyst material used for burning carbon and containing silver dispersed into layered alumina is supported on an inner surface of the plurality of cells. Thus, the ceramic honeycomb structure can burn soot at low temperature using the supported catalyst material without corroding the honeycomb structure | 04-29-2010 |
| 20100197484 | PREPARATION OF MINERAL PARTICLES IN A SUPERCRITICAL CO2 MEDIUM - The present invention relates to a process for preparing mineral particles (p) from mineral species precursors, said process comprising a step (E) in which a fluid medium (F) containing said precursors in solution and/or dispersed in a solvent is injected into a reactor containing CO | 08-05-2010 |
| 20110143928 | CATALYTIC FILTER OR SUBSTRATE CONTAINING SILICON CARBIDE AND ALUMINUM TITANATE - The invention relates to a structure of the honeycomb type, made of a porous ceramic material, said structure being characterized in that the porous ceramic material of which it is composed comprises at least partly 45 to 90% by weight of silicon carbide SiC, preferably in the alpha form, and 10 to 55% by weight of a ceramic oxide phase substantially in the form of aluminum titanate Al | 06-16-2011 |
| 20110143929 | PHOTOCATALYST AND REDUCING CATALYST USING THE SAME - To provide a photocatalyst having high selectivity and carrying out a reductive reaction with light having a longer wavelength. A photocatalyst has a structure in which a semiconductor and a substrate are joined, in which the substrate causes a catalytic reaction by transfer to the substrate of excited electrons, which are generated by applying light to the semiconductor. | 06-16-2011 |
| 20120108416 | CATALYST FOR HYDROCARBON STEAM CRACKING, METHOD OF PREPARING THE SAME AND METHOD OF PREPARING OLEFIN BY USING THE SAME - A catalyst for hydrocarbon steam cracking for the production of light olefin, a preparation method of the catalyst and a preparation method of olefin by using the same. More precisely, the present invention relates to a composite catalyst prepared by mixing the oxide catalyst powder represented by CrZrjAkOx (0.5≦j≦120, 0≦k≦50, A is a transition metal, x is the number satisfying the condition according to valences of Cr, Zr and A, and values of j and k) and carrier powder and sintering thereof, a composite catalyst wherein the oxide catalyst is impregnated on a carrier, and a method of preparing light olefin such as ethylene and propylene by hydrocarbon steam cracking in the presence of the composite catalyst. The composite catalyst of the present invention has excellent thermal/mechanical stability in the cracking process, and has less inactivation rate by coke and significantly increases light olefin yield. | 05-03-2012 |
| 20120108417 | CATALYST FOR HYDROCARBON STEAM CRACKING, METHOD OF PREPARING THE SAME AND METHOD OF PREPARING OLEFIN BY USING THE SAME - The present invention relates to a catalyst for hydrocarbon steam cracking for the production of light olefin, a preparation method of the catalyst and a preparation method of olefin by using the same. More precisely, the present invention relates to a composite catalyst prepared by mixing the oxide catalyst powder represented by CrZrjAkOx (0.5≦j≦120, 0≦k≦50, A is a transition metal, x is the number satisfying the condition according to valences of Cr, Zr and A, and values of j and k) and carrier powder and sintering thereof, a composite catalyst wherein the oxide catalyst is impregnated on a carrier, and a method of preparing light olefin such as ethylene and propylene by hydrocarbon steam cracking in the presence of the composite catalyst. The composite catalyst of the present invention has excellent thermal/mechanical stability in the cracking process, and has less inactivation rate by coke and significantly increases light olefin yield. | 05-03-2012 |
| 20140066292 | CATALYSTS FOR SYNTHESIS OF LIQUID HYDROCARBONS USING SYNGAS AND PREPARATION METHODS THEREOF - Disclosed is a Co/Al | 03-06-2014 |
| 20140141964 | HETEROPOLY ACID SALT CATALYST AND ITS PREPARATION METHOD - Disclosed are a catalyst and preparation method and use thereof. The catalyst has a constitution represented as the formula below, wherein, D represents at least one element selected from the group consisting of copper, magnesium, manganese, stibium and zinc; E represents at least one element selected from the group consisting of tungsten, silicon, nickel, palladium, ferrum and plumbum; Z is selected from the group consisting of SiC, MoO | 05-22-2014 |
| 20140194278 | POROUS SILICON CARBIDE NANOCOMPOSITE STRUCTURE COMPRISING NANOWIRES AND METHOD OF PREPARING THE SAME - Provided are a porous silicon carbide nanocomposite structure comprising nanowires that are self-formed, a preparation method thereof, and a catalyst comprising the same, in which the catalyst with excellent activity may be prepared by uniformly supporting a catalytically active component in meso-macro pores and nanowires. | 07-10-2014 |
| 20150057148 | CATALYTIC SURFACES AND COATINGS FOR THE MANUFACTURE OF PETROCHEMICALS - This disclosure describes a coating composition comprising: Mn | 02-26-2015 |
| 20160193594 | FILTER FOR FILTERING PARTICULATE MATTER FROM EXHAUST GAS EMITTED FROM A COMPRESSION IGNITION ENGINE | 07-07-2016 |
| 502179000 | Group VA (N, P, As, Sb, Bi) containing | 2 |
| 20100323881 | Preparation process of a catalyst used for gas phase oxidation of light alkenes to unsaturated aldehydes - The present invention provides a preparation process of complex oxides catalyst containing Mo, Bi, Fe and Co, which comprising steps as following: dissolving precursor compounds of the components for catalyst and complexing agent in water to obtain a solution, and then drying, molding and calcining the solution to obtain catalyst. The catalyst is used for gas phase oxidation of light alkenes to unsaturated aldehydes. The catalyst has high activity, selectivity and stability. The reaction condition is mild. The preparation process of the catalyst is easy to operate and can be used for mass production. | 12-23-2010 |
| 20120264596 | HONEYCOMB STRUCTURE AND METHOD OF MANUFACTURING HONEYCOMB STRUCTURE - A honeycomb structure includes a substantially pillar-shaped honeycomb unit having cells defined by cell walls. The cell walls include silicon carbide particles having a nitrogen-containing layer provided on surfaces of the silicon carbide particles. A method of manufacturing a honeycomb structure includes preparing paste containing silicon carbide particles. The paste is molded to form a honeycomb molded body. The honeycomb molded body is fired in an inert atmosphere containing no nitrogen to obtain a substantially pillar-shaped honeycomb unit having cells defined by cell walls. The honeycomb unit is heated in an environment containing nitrogen to provide a nitrogen-containing layer on surfaces of the silicon carbide particles forming the cell walls. | 10-18-2012 |
