Class / Patent application number | Description | Number of patent applications / Date published |
502324000 | Of manganese | 34 |
20090036301 | Process for Producing Catalyst for Cyanhydrin Hydration and Product of the Process - A process for producing a catalyst for cyanhydrin hydration, which comprises a manganese oxide as a main component and is excellent in both physical strength and reaction activity, is provided, as well as a catalyst for cyanhydrin hydration obtained by the production process. Specifically, a process for producing a catalyst which is useful for cyanhydrin hydration and contains a manganese oxide as a main component, potassium, and one or more elements selected from the group consisting of bismuth, vanadium and tin, in which the above compounds are mixed together in an aqueous system; the resulting slurry precipitate is subjected to solid-liquid separation; and the resulting hydrous cake is dried in at least two separate stages comprising a predrying and a main drying, is provided, as well as a catalyst for cyanhydrin hydration obtained by the production process. | 02-05-2009 |
20090124493 | CATALYST FOR PURIFYING EXHAUST GAS AND METHOD FOR PRODUCING TETRAGONAL SYSTEM COMPOSITE OXIDE - The present invention provides an exhaust gas cleaning catalyst containing a tetragonal-system composite oxide which is produced through a neutralization coprecipitation-drying-firing method and which is represented by A | 05-14-2009 |
20090192033 | METHOD OF PRODUCING OXIDATION CATALYST FOR CLEANING EXHAUST GAS - The present invention provides a method of producing an oxidation catalyst for cleaning exhaust gas, capable of achieving an excellent catalytic activity at a lower temperature for particulates and high boiling point hydrocarbons in exhaust gas from internal-combustion engines. A primary firing is performed after mixing nitrate of a first metal element Ln, manganese nitrate, and oxide of a third metal element A. A resultant material from the primary firing is subjected to grinding and then a secondary firing is performed at the range of to 1200° C. for 1 to 5 hours. By doing so, a catalyst comprising a composite metal oxide represented by the general formula Ln | 07-30-2009 |
20090264285 | Catalyst and process for the synthesis of C2-oxygenates by the hydrogenation of carbon monoxide - A catalyst is invented for the synthesis of C | 10-22-2009 |
20090270250 | PRODUCTION METHOD OF OXIDATION CATALYST DEVICE FOR EXHAUST GAS PURIFICATION - According to a first embodiment of a production method of an oxidation catalyst device for exhaust gas purification of the present invention, a plurality of slurries containing a catalyst precursor prepared from mutually different organic acids is coated respectively on a porous filter carrier ( | 10-29-2009 |
20090325794 | PROCESS FOR THE PREPARATION OF NANOCRYSTALLINE METAL OXIDES - The present invention relates to a process for the preparation of nanocrystalline metal oxide particles comprising the steps of a) the introduction of a starting compound into a reaction chamber by means of a carrier fluid, b) the subjecting of the starting compound in a treatment zone to a pulsating thermal treatment, c) the forming of nanocrystalline metal oxide particles, d) the removal of the nanocrystalline metal oxide particles obtained in steps b) and c) from the reactor, wherein the starting compound is introduced into the reaction chamber in the form of a solution, slurry, suspension or in solid aggregate state. Further, the present compound relates to a catalyst material, obtainable by the process according to the invention, in particular a catalyst material for use in the preparation of methanol from carbon monoxide and hydrogen. | 12-31-2009 |
20100152034 | PROCESS FOR LIQUID PHASE HYDROGENATION - A process and catalyst for the liquid phase selective hydrogenation of alkynes to alkenes with high selectivity to alkenes relative to alkanes, high alkyne conversion, and sustained catalytic activity comprising a reactant comprising an alkyne and a non-hydrocarbon solvent/absorbent, contacting the reactant stream with a hydrogen-containing stream in the presence of a supported, promoted, Group VIII catalyst, removing the solvent/absorbent, and recovering the alkene product. | 06-17-2010 |
20100167919 | HYDROCARBON REFORMING CATALYST, METHOD OF PREPARING THE SAME AND FUEL CELL INCLUDING THE HYDROCARBON REFORMING CATALYST - A hydrocarbon reforming catalyst includes an oxide support as well as a nickel active catalyst layer, a metal oxide, an alkali metal supported by the oxide support. | 07-01-2010 |
20120129691 | APPARATUS AND METHOD FOR MANUFACTURING MANGANESE OXIDE-TITANIA CATALYST - Disclosed are an apparatus and method for preparing a manganese oxide-titania catalyst. The apparatus for preparing a manganese oxide-titania catalyst includes: a vaporizer vaporizing a manganese precursor and a titanium precursor; a carrier gas supply line supplying a carrier gas, which carries precursor vapors vaporized by the vaporizer to a reactor, to the vaporizer; an oxygen supply line supplying an oxygen source to the reactor; the reactor reacting the precursor vapors with the oxygen source to synthesize a manganese oxide-titania catalyst; and a collector condensing and collecting the manganese oxide-titania catalyst synthesized in the reactor. And, the method for preparing a manganese oxide-titania catalyst includes: 1) vaporizing a manganese precursor and a titanium precursor; 2) carrying precursor vapors (vapors of the manganese precursor and the titanium precursor) and an oxygen source to a reactor; 3) reacting the precursor vapors and the oxygen source to synthesize a manganese oxide-titania catalyst; and 4) condensing and collecting the manganese oxide-titania catalyst. According to the present disclosure, mass production of manganese oxide-titania catalysts with high decomposition efficiency of organic compounds can be prepared through fewer and continuous processes. | 05-24-2012 |
20120142523 | POROUS COMPOSITE METAL OXIDE, CATALYST USING THE SAME, AND METHODS FOR PRODUCING THE POROUS COMPOSITE METAL OXIDE AND THE CATALYST - A porous composite metal oxide, including a mixture of first ultrafine particles containing alumina and second ultrafine particles containing zirconia, wherein the first ultrafine particles and the second ultrafine particles are uniformly dispersed in such a way as to satisfy a condition that standard deviations of content ratios (% by mass) of all metal elements contained in the porous composite metal oxide at 0.1% by mass or more are each 10 or less, the standard deviations being obtained by measuring content ratios of the metal elements at 100 measurement points within a minute analysis region of 20 nm square by energy dispersive X-ray spectroscopy using a scanning transmission electron microscope equipped with a spherical aberration correction function. | 06-07-2012 |
20120302439 | ENGINE EXHAUST CATALYSTS DOPED WITH BISMUTH OR MANGANESE - An emission control catalyst is doped with bismuth, manganese, or bismuth and manganese. The doped catalyst may be a palladium-gold catalyst or a platinum-based catalyst, or both. The doped palladium-gold catalyst and the doped platinum-based catalyst may be contained in a single washcoat layer or in different washcoat layers of a multi-brick, multi-zoned, or multi-layered emission control system. In all embodiments, zeolite may be added as a hydrocarbon absorbing component. | 11-29-2012 |
20120309617 | Method of Production of Photocatalytic Powder Comprising Titanium Dioxide and Manganese Dioxide Active Under Ultraviolet and Visible Light - A method of production of photocatalytic material to be used under UV and visible light. The photocatalyst is obtained by precipitating titanium dioxide on a sol of manganese dioxide. The method includes providing a mixture of a) hydrated manganese dioxide sol, b) titanium solution and c) NH | 12-06-2012 |
20130065752 | COMPONENT HAVING A CATALYTIC SURFACE, METHOD FOR PRODUCING SAME, AND USE OF SAID COMPONENT - A component has a catalyst surface including metal regions and regions of MnO2 contacting the former, wherein the metal regions are made of Co and/or Sn and/or Zn (or alloys of said metals). Said material pairings achieve a significantly improved catalytic effect in comparison to the pure metals. Said surfaces can be used, for example, in room air purification for reducing ozone content. The surface can be applied, for example, by coating the component, wherein the metal region and the region of MnO2 are applied in two layers. | 03-14-2013 |
20140031198 | PROCESS FOR PREPARING OLEFINS FROM SYNTHESIS GAS USING A COBALT AND MANGANESE CONTAINING CATALYST - The invention relates to a process for preparing a supported catalyst, wherein the catalyst contains cobalt, manganese and a third element selected from the group consisting of aluminium, gallium, indium, thallium, tin, lead and bismuth, and is prepared by co-precipitation of a manganese salt and a cobalt salt on a support, followed by impregnation with a salt of the third element. Further, the invention relates to the catalyst so obtained. | 01-30-2014 |
20140243193 | REJUVENABLE CERAMIC EXHIBITING INTRAGRANULAR POROSITY - A cermet catalyst material, including a spinel matrix defining a spinel grain and a plurality metal particles embedded in and on the surface of the spinel grain. When the spinel grain is in a first oxidizing atmosphere and at a temperature above about 800 degrees Celsius the metal particles are absorbed into the spinel matrix in the form of metal cations. When the grain is in an second, less oxidizing atmosphere and at a temperature below about 1100 degrees Celsius the metal cations emerge from the spinel matrix to yield a plurality of metal particles adhering to the spinel grain or residing in intragranular pores. | 08-28-2014 |
20140274677 | System and Method for Optimized Oxygen Storage Capacity and Stability of OSM Without Rare Metals - It is an object of the present disclosure, to provide an oxygen storage material which may include optimum composition and structure of Cu—Mn spinel as OSM, with a suitable doped zirconia, including Niobium-Zirconia support oxide for OSM applications, which may include a chemical composition substantially free from rare metals. The OSC properties of Cu—Mn spinel with a suitable doped zirconia, including Niobium-Zirconia support oxide as OSM may be determined by comparing variations of Cu—Mn composition for determination of the optimum structure of spinel to achieve optimal OSC properties and thermal stability, which may be particularly useful for treating exhaust gases produced by internal combustion engines, where lean/rich fluctuations in operating conditions may produce high variation in exhaust contaminants that may be removed, achieving optimal OSC property of spinel at different temperatures, as well as thermal stability behavior of OSM. | 09-18-2014 |
20140274678 | Coating Process of Zero-PGM Catalysts and Methods Thereof - Variations of coating processes of ZPGM catalyst materials for TWC applications are disclosed. The disclosed coating processes for ZPGM materials are enabled in the preparation of ZPGM catalyst samples according to a plurality of catalyst configurations, which may include washcoat and an overcoat layer with or without an impregnation layer, including Cu—Mn spinel and doped Zirconia support oxide, prepared according to variations of disclosed coating processes. Activity measurements under isothermal steady state sweep test condition are considered under lean condition and rich condition close to stoichiometric condition to analyze the influence of disclosed coating processes on TWC performance of ZPGM catalysts. Different coating processes may substantially increase TWC activity, providing improved levels of NO, CO, and HC conversions and cost effective manufacturing solutions. | 09-18-2014 |
20150018205 | Optimum Loading of Copper-Manganese Spinel on TWC Performance and Stability of ZPGM Catalyst Systems - Influence of a plurality of base metal loadings on TWC performance and thermal stability of ZPGM catalysts for TWC applications is disclosed. ZPGM catalyst samples are prepared and configured with washcoat on ceramic substrate, overcoat including doped Zirconia support oxide, and impregnation layer of Cu—Mn spinel with different base metal loadings. Testing of ZPGM catalyst samples including variations of base metal loadings is developed under isothermal steady state sweep test condition for fresh and aged ZPGM catalysts to evaluate the influence of variations of base metal loadings on TWC performance specially NO | 01-15-2015 |
20150051067 | Oxygen storage material without rare earth metals - The present disclosure relates to an enhanced oxygen storage material (OSM) that may be converted into powder form and used as a raw material for a vast number of applications, and more particularly in catalyst systems. The disclosed OSM, substantially free from PGM and rare earth (RE) metals, has significantly higher oxygen storage capacity (OSC) than conventional OSM including PGM and RE metals. The disclosed OSM may be converted into powder, including a formulation of Cu—Mn spinel structure deposited on Nb—Zr oxide support. The disclosed OSM may also be coated onto a ceramic substrate as washcoat layer for characterization under OSC isothermal oscillating condition. The disclosed OSM may have an optimal OSC property that increases with the temperature, showing acceptable level of O | 02-19-2015 |
20150105245 | Zero-PGM Catalyst with Oxygen Storage Capacity for TWC Systems - ZPGM-ZRE catalyst system substantially free from platinum group (PGM) and rare earth (RE) metals for TWC application is disclosed. Disclosed ZPGM-ZRE catalyst system may include pure alumina as washcoat and a Cu—Mn stoichiometric spinel with Nb | 04-16-2015 |
20150105246 | Thermally Stable Compositions of OSM Free of Rare Earth Metals - The effect of aging temperature on oxygen storage materials (OSM) substantially free from platinum group (PGM) and rare earth (RE) metals is disclosed. Samples of ZPGM-ZRE metals OSM, hydrothermally aged at a plurality of high temperatures are found to have significantly high oxygen storage capacity (OSC) and phase stability than conventional PGM catalysts with Ce-based OSM. ZPGM-ZRE metals OSM includes a formulation of Cu—Mn stoichiometric spinel structure deposited on Nb—Zr oxide support and may be converted into powder to be used as OSM application or coated onto catalyst substrate. ZPGM-ZRE metals OSM, after aging condition, presents enhanced level of thermal stability and OSC property which shows improved catalytic activity than conventional PGM catalysts including Ce-based OSM. ZPGM-ZRE metals OSM may be suitable for a vast number of applications, and more particularly in underfloor catalyst systems. | 04-16-2015 |
20150105247 | Methods and Processes of Coating Zero-PGM Catalysts including with Cu, Mn, Fe for TWC Applications - Variations of coating processes of Cu—Mn—Fe ZPGM catalyst materials for TWC applications are disclosed. The disclosed coating processes for Cu—Mn—Fe spinel materials are enabled in the preparation ZPGM catalyst samples according to a plurality of catalyst configurations, which may include an alumina only washcoat layer coated on a suitable ceramic substrate, and an overcoat layer with or without an impregnation layer, including Cu—Mn—Fe spinel and doped Zirconia support oxide, prepared according to variations of disclosed coating processes. Activity measurements are considered under variety of lean condition to rich condition to analyze the influence of disclosed coating processes on TWC performance of ZPGM catalysts for a plurality of TWC applications. Different coating processes may substantially increase thermal stability and TWC activity, providing improved levels of NO | 04-16-2015 |
20150148222 | Effect of Support Oxides on Optimal Performance and Stability of ZPGM Catalyst Systems - The present disclosure relates to selecting support oxide for ZPGM catalyst for optimal performance under TWC condition, for achieving enhanced catalyst activity, and improved thermal stability during aging. The selected active phase material may include a chemical composition that is substantially free from PGM, including a formulation of stoichiometric Cu—Mn spinel structure active phase with Niobium-Zirconium support oxide, which may include a washcoat of pure alumina coated on a suitable ceramic substrate. The disclosed Cu—Mn spinel structure active phase with Niobium-Zirconium support oxide may be applied in overcoat to maximize efficiency of ZPGM catalyst systems, which may exhibit enhanced catalytic activity properties that may increase with temperature, showing optimized performance purifying gases in TWC condition, and enhanced stability during aging. | 05-28-2015 |
20150148223 | System and Methods for Using Synergized PGM as a Three-Way Catalyst - Synergies resulting from combinations of catalyst systems including Copper-Manganese material compositions and PGM catalysts are disclosed. Variations of catalyst system configurations are tested to determine most effective material composition, formulation, and configuration for an optimal synergized PGM (SPGM) catalyst system. The synergistic effect of the selected SPGM catalyst system is determined under steady state and oscillating test conditions, from which the optimal NO/CO cross over R-value indicates enhanced catalytic behavior of the selected SPGM catalyst system as compared with current PGM catalysts for TWC applications. According to principles in the present disclosure, application of Pd on alumina-based support as overcoat and Cu—Mn spinel structure supported on Nb | 05-28-2015 |
20150148224 | Oxygen Storage Capacity and Thermal Stability of Synergized PGM Catalyst Systems - Synergized PGM (SPGM) catalyst systems including ZPGM material compositions and formulations are disclosed. Variations of catalyst systems are tested to determine the synergistic effect of adding ZPGM material to PGM catalysts. The synergistic effect is determined under isothermal oscillating condition from which enhanced OSC property indicates enhanced catalytic behavior of disclosed SPGM catalyst systems as compared with commercial PGM catalysts with OSM for TWC applications. Disclosed SPGM catalyst systems is free of rare earth metals and especially Ce and may have an optimal OSC property and optimal thermal stability that increases with the temperature, showing acceptable level of O | 05-28-2015 |
20150148225 | Systems and Methods for Managing a Synergistic Relationship Between PGM and Copper-Manganese in a Three Way Catalyst Systems - Synergized Platinum Group Metals (SPGM) catalyst systems for TWC application are disclosed. Disclosed SPGM catalyst systems may include a washcoat with a Cu—Mn spinel structure, Cu | 05-28-2015 |
20150290627 | Systems and Methods for Using Copper-Manganese Spinel as Active Phase for Diesel Oxidation Applications - A diesel oxidation catalyst (DOC) system for the treatment of exhaust gas emissions, including oxidation of nitrogen oxides (NO), unburned hydrocarbons (HC), and carbon monoxide (CO) is disclosed. Fresh and hydrothermally aged Zero-PGM (ZPGM) DOC samples are prepared and configured with an alumina-based washcoat on ceramic substrate, overcoat including doped Zirconia support oxide, and impregnation layer of Cu—Mn spinel of selected base metal loadings. Testing of fresh and hydrothermally aged ZPGM DOC system samples including Cu—Mn spinel is developed to evaluate the performance of Cu—Mn spinel active phase in oxidation CO, HC, and NO, as well as production of NO | 10-15-2015 |
20150290630 | Synergized PGM Catalyst Systems for Diesel Oxidation Catalyst Applications - Synergized platinum group metals (SPGM) oxidation catalyst systems are disclosed. Disclosed SPGM oxidation catalyst systems may include a washcoat with a Cu—Mn spinel structure and an overcoat including PGM, such as palladium (Pd), platinum (Pt), rhodium (Rh), or combinations thereof, supported on carrier material oxides. SPGM systems show significant improvement in abatement of unburned hydrocarbons (HC) and carbon monoxide (CO), and the oxidation of NO to NO | 10-15-2015 |
20150314273 | Hydrogenation Catalyst And Process For Production Thereof By The Use Of Uncalcined Starting Material - The invention relates to a process for preparing a shaped Cu—Al catalyst body for the hydrogenation of organic compounds containing a carbonyl function. More particularly, the shaped catalyst body is suitable for the hydrogenation of aldehydes, ketones and of carboxylic acids or esters thereof, specifically of fatty acids or esters thereof, such as fatty acid methyl esters, to the corresponding alcohols such as butanediol. The present invention further relates to Cu—Al catalysts obtainable by the preparation process. | 11-05-2015 |
20160082422 | Systems and Methods for Zero-PGM Binary Catalyst Having Cu, Mn, and Fe For TWC Applications - Variations of bulk powder catalyst material including Cu—Mn, Cu—Fe, and Fe—Mn spinel systems for ZPGM TWC applications are disclosed. The disclosed bulk powder catalyst samples include stoichiometric and non-stoichiometric Cu—Mn, Cu—Fe, and Fe—Mn spinels on Pr | 03-24-2016 |
20160121303 | PROCESSES FOR THE PREPARATION OF MESOPOROUS METAL OXIDES - A process for preparing a crystalline mesoporous metal oxide, i.e., crystalline mesoporous transition metal oxide, crystalline mesoporous Lanthanide metal oxide, a crystalline mesoporous post-transition metal oxide and crystalline mesoporous metalloid oxide. The process comprises providing an acidic mixture comprising an amorphous mesoporous metal oxide; and heating the acidic mixture at a temperature and for a period of time sufficient to form the crystalline mesoporous metal oxide. A crystalline mesoporous metal oxide prepared by the above process. A method of controlling nano-sized wall crystallinity and mesoporosity in crystalline mesoporous metal oxides. The method comprises providing an acidic mixture comprising an amorphous mesoporous metal oxide; and heating the acidic mixture at a temperature and for a period of time sufficient to control nano-sized wall crystallinity and mesoporosity in the mesoporous metal oxides. Crystalline mesoporous metal oxides and a method of tuning structural properties of mesoporous metal oxides. | 05-05-2016 |
20160121308 | Thermal Stability of Copper-Manganese Spinel as Zero PGM Catalyst for TWC Application - Effect of the type of ZPGM material composition to improve thermal stability of ZPGM catalyst systems for TWC application is disclosed. ZPGM catalyst system samples are prepared and configured with washcoat on ceramic substrate, overcoat including doped Zirconia support oxide, and impregnation layer including either Cu | 05-05-2016 |
20160121309 | Thermally Stable Zero PGM Catalysts System for TWC Application - Effect of the type of material composition employed within overcoat in conjunction with ZPGM composition in impregnation layer on thermal stability and TWC performance of ZPGM catalyst systems is disclosed. Effect of aging temperature on thermal stability of disclosed ZPGM catalyst systems is also described. Testing of ZPGM catalyst samples including isothermal steady state sweep test condition and isothermal oscillating TWC test on disclosed ZPGM catalyst systems show that ZPGM catalyst system that includes combination of Cu | 05-05-2016 |
20160167024 | Synergized PGM Catalyst Systems Including Rhodium for TWC Application | 06-16-2016 |