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8178469 |
Highly efficient catalyst using precious metal
A catalyst for purifying exhaust gas in vehicles may include a precious metal and porous structures that serve as a supporting material for the precious metal. The porous structures are comprised...
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8178068 |
Catalyst charge design
A catalyst charge for ammonia oxidation, including the Andrussow process, comprises a first stage ammonia oxidation catalyst capable of oxidizing 20 to 99% of designed ammonia throughput, to...
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8178735 |
Process for the preparation of multimetallic catalysts that can be used in reactions for transformation of hydrocarbons
A process for the treatment of an olefinic fraction, using a catalyst prepared by a process comprising: a) The preparation of a colloidal oxide suspension of a first metal M1 by the neutralization...
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8173572 |
Metal oxide sols
A sol includes metal oxide nanoparticles dispersed in an aqueous liquid, and further includes stabilizer ions. The metal oxide particles include one or more metals selected from a first group...
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8173100 |
Catalytic system for generating hydrogen by the hydrolysis reaction of metal borohydrides
Catalytic system comprising at least two components: a catalyst for the hydrolysis reaction of metal borohydrides to hydrogen; anda material in solid form, the dissolution reaction of which in...
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8173306 |
Catalyst, method for producing catalyst, membrane electrode assembly, and fuel cell
A catalyst is provided and includes fine catalyst particles of a composition represented by formula (1): PtuRuxTayTz, in which T is at least one element selected from the group consisting of Hf, W,...
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8168560 |
Exhaust gas purifying catalyst
An exhaust gas purifying catalyst is provided which includes a catalyst substrate and a catalyst coating layer. The catalyst coating layer is formed on the catalyst substrate and contains a noble...
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8168561 |
Core shell catalyst
A core-shell catalyst material can include a core and a shell material. Each of the core material and the shell material can have crystal structures and lattice parameters which allow for a...
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8158548 |
Electrocatalysts based on mono/plurimetallic carbon nitrides for fuel cells fueled with hydrogen
The invention describes the preparation of electrocatalysts, both anodic (aimed at the oxidation of the fuel) and cathodic (aimed at the reduction of the oxygen), based on mono- and plurimetallic...
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8158554 |
High heat-resistant catalyst and manufacturing method thereof
A high heat-resistant catalyst includes: noble metal particles; first compounds which contact the noble metal particles and suppress movement of the noble metal particles; and second compounds...
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8158549 |
Catalysts for fluoroolefins hydrogenation
A support of metal oxyfluoride or metal halide for a metal-based hydrogenation catalyst useful in hydrogenating fluoroolefins is provided.
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8153548 |
Isomerization catalyst
The isomerization catalyst is a solid acid catalyst formed with a base of tungstated zirconium mixed oxides loaded with at least one hydrogenation/dehydrogenation metal catalyst from Groups 8-10...
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8153549 |
Catalyst for treating exhaust gas and device for treating exhaust gas using the same
A catalyst for treating an exhaust gas has at least a carrier and plural layers formed on the carrier, wherein at least one layer of the above plural layers has an interstice in the layer, and at...
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8148293 |
Subnanometer and nanometer catalysts, method for preparing size-selected catalysts
Highly uniform cluster based nanocatalysts supported on technologically relevant supports were synthesized for reactions of top industrial relevance. The Pt-cluster based catalysts outperformed the...
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8148288 |
Bimetallic or multi-metallic catalyst that has an optimized bimetallicity index and an optimized hydrogen adsorption capacity
The invention relates to a catalyst that comprises a metal M from the group of platinum, at least one promoter X1 that is selected from the group that consists of tin, germanium, and lead, and...
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8143189 |
Subnanometer and nanometer catalysts, method for preparing size-selected catalysts
Highly uniform cluster based nanocatalysts supported on technologically relevant supports were synthesized for reactions of top industrial relevance. The Pt-cluster based catalysts outperformed the...
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8143187 |
Catalytic systems and process for treatment of industrial process and waste streams
A process for preparing supported catalyst in pellet or coated monolith form is disclosed the method includes the steps of: forming a mixed metal carbonate complex having at least two metals by...
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8143190 |
Honeycomb structure
There is disclosed a honeycomb structure having a plurality of segments and each including a plurality of cells, wherein each segment has a porous base material having the honeycomb shape, and a...
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8133837 |
Exhaust gas-purifying catalyst
Decreasing HC emission is made possible. An exhaust gas-purifying catalyst includes a substrate, a hydrocarbon-adsorbing layer covering the substrate, and a catalytic layer covering the...
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8129306 |
Non-platinum bimetallic polymer electrolyte fuel cell catalysts
A polymetallic nanoparticle alloy having enhanced catalytic properties including at least one noble metal and at least one base metal, where the noble metal is preferentially dispersed near the...
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8114807 |
Synthesis and use of intermetallic iron palladium nanoparticle compositions
An intermetallic magnetic compound of iron oxide and palladium with a nanometer particle size is disclosed, together with a method of making magnetic nanoparticles that include an intermetallic...
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8114369 |
Catalyst containing platinum and palladium for the selective reduction of NOx with hydrogen (H2-SCR)
The invention relates to a novel catalyst having excellent activity and selectivity for reducing nitric oxides (NO/NO2) to nitrogen gas (N2) with hydrogen (H2) being used as a reducing agent under...
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8114354 |
Catalyzed soot filter manufacture and systems
Catalyzed soot filters comprising a wall flow monolith having microcracks and pores and a catalyst comprising support particles with particle sizes greater than about the size of the microcracks...
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8110527 |
Alumina having a complex pore structure, and catalyst and process for selective hydrogenation of cracking gasoline
The present invention discloses an alumina support having multiple pore structure, wherein the alumina support has a specific surface area of from 40 to 160 m2/g and a total pore volume of from 0.3...
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8110519 |
Polymer-supported metal cluster composition
The objective is to present compositions obtained by supporting by polymers micro clusters of transition metals and the like that are useful as catalysts in various reactions and, once used, are...
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8105561 |
Catalyst for purification of exhaust gas, regeneration method for the catalyst, and apparatus and method for purification of exhaust gas using the catalyst
A catalyst for purification of exhaust gas in which a noble metal is supported on a metal-oxide support wherein, in a oxidation atmosphere, the noble metal exists on the surface of the support in...
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8105975 |
Method and device for catchment of platinum group metals in a gas stream
This invention relates to a method and device for catchment of platinum group metals (PGM) in a gaseous stream, where the method comprises using a catalyst comprising a porous ceramic body in which...
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8101542 |
Catalyst for oxidizing monoxide and method of preparing the same
Provided are a catalyst for oxidizing carbon monoxide and a method of preparing the same. The catalyst for oxidizing carbon monoxide includes platinum and a transition metal which exists in a...
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8097553 |
Catalyst support powder and exhaust gas purifying catalyst
The present invention provides a catalyst support powder 3 comprising ceria and zirconia, wherein the ratio of the molar fraction (mol %) of ceria on the support powder surface as measured by the...
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8088945 |
Palladium-containing catalyst, method for producing same, and method for producing α,β-unsaturated carboxylic acid
Disclosed is a palladium-containing catalyst which enables to produce an α,β-unsaturated carboxylic acid in high selectivity from an olefin or an α,β-unsaturated aldehyde. Also disclosed are a met...
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8084389 |
Sulfur storage catalyst
A noble metal is supported on an upstream-side catalytic portion 20 at least, and an SOx storage material, such as Mg and K that lower the noble metal's activities, is supported on a...
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8080494 |
Catalyst, exhaust gas purifying catalyst, and method of producing the catalyst
A catalyst 1 has a heat-resistant support 2 selected from among Al2O3, SiO2, ZrO2, and TiO2, and a first metal 4 supported on an outer surface of the support 2, and included by an inclusion...
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8080495 |
Diesel oxidation catalysts
A catalyst composition comprises a particulate support and catalyst nanoparticles on the particulate support. The catalyst nanoparticles comprise an alloy of platinum and palladium in an atomic...
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8080493 |
Heteropolyanions with late transition metal addenda atoms and process for their preparation
The invention relates to polyoxometalates represented by the formula (An)m+ [M13X8RqOy]m− or solvates thereof, wherein A represents a cation, n is the number of the cations, m is the charge of t...
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8075859 |
Nanocomposite particle and process of preparing the same
A nanocomposite particle, its use as a catalyst, and a method of making it are disclosed. The nanocomposite particle comprises titanium dioxide nanoparticles, metal oxide nanoparticles, and a...
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8076263 |
Sulfur tolerant alumina catalyst support
The present invention is directed to an improved catalyst support and to the resultant catalyst suitable for treating exhaust products from internal combustion engines, especially diesel engines....
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8071504 |
Exhaust system having a gold-platinum group metal catalyst
A method of providing an exhaust treatment device is disclosed. The method includes applying a catalyst including gold and a platinum group metal to a particulate filter. The concentration of the...
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8071502 |
Exhaust gas purifying catalyst
An exhaust gas purifying catalyst is provided in which alloying of precious metals is prevented even at high temperatures so that degradation of catalyst can be inhibited. The exhaust gas purifying...
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8071503 |
Catalyst
An electrocatalyst, suitable for use in a fuel cell, comprises an alloy having a single crystalline phase, wherein the alloy consists of 5-95 at % palladium, 5-95 at % ruthenium and less than 10 at...
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8071498 |
Exhaust gas purifying catalyst, method for recovering exhaust gas purifying catalyst, and catalyst system for exhaust gas purification
An exhaust gas purifying catalyst wherein the catalytic activity can be recovered over a wide temperature range is provided. Also provided are a method for recovering an exhaust gas purifying...
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8067334 |
Selective hydrogenation catalyst
A catalyst on an oxidic support and processes for selectively hydrogenating unsaturated compounds in hydrocarbon streams comprising them using these catalysts are described.
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8067330 |
Catalytic material and catalyst for purifying exhaust gas component
Disclosed is a catalytic material for purifying an exhaust gas component. The catalytic material comprises a composite oxide which contains, as essential components, zirconium (Zr) and neodymium...
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8067332 |
Methanation catalyst, and carbon monoxide removing system, fuel processor, and fuel cell including the same
A methanation catalyst, a carbon monoxide removing system, a fuel processor, and a fuel cell including the same, and more particularly a non-supported methanation catalyst including the...
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8058205 |
Nitrogen oxide purification system
An NOx purification system having NOx occlusion reduction-type catalysts including an occlusion material and a metal catalyst, which occludes NOx in a lean state in terms of a fuel-air ratio of an...
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8058204 |
Method for generating a shell of noble metal overlaid on a core of non-noble metal, and catalysts made thereby
An electrocatalyst is described. The electrocatalyst includes a core of a non-noble metal or non-noble metal alloy; and a continuous shell of a noble metal or noble metal alloy on the core, the...
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8053137 |
Proton exchange membrane fuel cell
An exemplary proton exchange membrane fuel cell includes a light-pervious first end plate, a second end plate, a light-pervious first bipolar plate, a second bipolar plate, and a membrane electrode...
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8052936 |
Catalyst-supported particulate filter
In a particulate filter, a catalyst layer containing Pt-carried activated alumina particles, CeZr-based mixed oxide particles and ZrNd-based mixed oxide particles is formed, the proportion of the...
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8052775 |
Process for the preparation of a two-layer metal palladium or palladium alloy composite membrane
Process for preparing a two layer metal palladium or palladium alloy composite membrane consisting of a porous substrate support and a palladium or palladium alloy membrane by rinsing/washing and...
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8038956 |
Catalyzed soot filter manufacture and systems
Catalyzed soot filters comprising a wall flow monolith having microcracks and pores and a catalyst comprising support particles with particle sizes greater than about the size of the microcracks...
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8038954 |
CSF with low platinum/palladium ratios
An emission treatment system including a catalyzed soot filter comprising a wall flow monolith and a catalyst comprising at least two types of support particles is described. The first support...
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