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Class 502/261 - Platinum group (i.e., Ru, Rh, Pd, Os, Ir or Pt)


Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Composition which contains a platinum group metal, metal
No. of patents: 213
Last issue date: 01/04/2011


1            
NumberTitleIssue Date
7863216Discharge gas treatment catalyst
The invention provides a discharge gas treatment catalyst which can effectively decreases NOx and SO3 contained in a discharge gas. The discharge gas treatment catalyst, for removing nitrogen oxide and sulfur trioxide from a discharge gas, incl...
01/04/2011
7820585Metal cluster-carrying metal oxide support and process for production thereof
The present invention provides a metal cluster-carrying metal oxide support wherein a metal cluster obtained by use of a dendrimer is prevented from migrating to the surface of support and being sintered, and a process for production thereof. The process for produci...
10/26/2010
7629288Catalyst composition comprising ruthenium and a treated silica support component and processes therefor and therewith for preparing high molecular weight hydrocarbons such as polymethylene
A catalyst composition and a process of using a catalyst composition for preparing high molecular weight hydrocarbons, such as polymethylene, from a fluid containing hydrogen and carbon monoxide are disclosed. The catalyst composition contains ruthenium and a treate...
12/08/2009
7425647Process for preparing a group V111-metal containing catalyst, use thereof for preparing an alkenyl carboxylate
A process for preparing a catalyst by (a) selecting a carrier which is a silica based carrier which has been subjected to a series of washings with one or more aqueous liquids consisting of aqueous liquids which have a pH of least ...
09/16/2008
7390769High surface area, small crystallite size catalyst for Fischer-Tropsch synthesis
The Fischer-Tropsch catalyst of the present invention is a transition metal-based catalyst having a high surface area, a smooth, homogeneous surface morphology, an essentially uniform distribution of cobalt throughout the support, and a small metal crystallite size....
06/24/2008
7345214Modified PT/RU catalyst for ring opening and process using the catalyst
A catalyst for opening naphthenic rings has been developed. The catalyst comprises ruthenium and platinum as the active catalytic metals and a modifier with cerium being a preferred modifier. At least 50% of the platinum and ruthenium components are present as parti...
03/18/2008
7341975Exhaust gas purification catalytic material and method for fabricating the same
The present invention relates to an exhaust gas purification catalytic material containing: (a) a mixed oxide containing Ce and Zr for storing and releasing oxygen; and (b) a precious metal catalyst made of one or more kinds of precious metals. The precious metal ca...
03/11/2008
7338917Purification catalyst for exhaust gas
A purification catalyst for exhaust gas enhances the activity for each precious metal by effectively utilizing the precious metal without incurring a high production cost, thereby improving endurance. The purification catalyst for exhaust gas comprises a composite o...
03/04/2008
7294604Hydrogenation and dehydrogenation processes and catalysts therefor
A process for hydrogenating unsaturations in petrochemical feedstocks, the process comprising contacting the petrochemical feedstock, including at least one component having unsaturations, and hydrogen with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, ...
11/13/2007
7270738Catalyst and process for hydrocracking hydrocarbon-containing feedstocks
This invention relates to silico-aluminum substrates, catalysts, and the hydrocracking and hydrotreatment processes that use them. The catalyst comprises at least one hydro-dehydrogenating element that is selected from the group that is formed by elements of group V...
09/18/2007
7268097Desulfurizing agent for hydrocarbon derived from petroleum, method for producing hydrogen for use in fuel cell and method for producing nickel-based desulfurizing agent
A desulfurizing agent comprising a silica-alumina carrier having an Si/Al mole ratio of 10 or less and nickel carried thereon; a desulfurizing agent for hydrocarbons derived from petroleum which comprises a carrier and a metal component carried thereon and has a spe...
09/11/2007
7259129Silver-containing catalysts, the manufacture of such silver-containing catalysts, and the use thereof
A high activity and high selectivity silver catalyst comprising silver and, optionally, one or more promoters supported on a suitable support material having the form of a shaped agglomerate. The structure of the shaped agglomerate is that of a hollow cylinder havin...
08/21/2007
7256154Structured catalyst for POX reforming of gasoline for fuel-cell powered vehicles applications and a method of preparing the same
The present invention relates to a structured catalyst for reforming of gasoline and a method of preparing the same, more particularly to a structured catalyst for reforming of gasoline for fuel-cell powered vehicles prepared by wash-coating the transition metal bas...
08/14/2007
7247600Catalyst composition
There is provided a catalyst carrier comprising a refractory inorganic material having a sodium solubilization rate no greater than 5 ppmw/5 minutes. There is further a catalyst comprising a refractory inorganic material carrier having a sodium solubilization rate n...
07/24/2007
7235511Exhaust gas purifying catalyst
An exhaust gas purifying catalyst includes a carrier and a catalyst layer provided on the carrier. The catalyst layer includes active Al2O3 on which a noble metal is carried, an oxygen storage agent on which Rh is carried, Al2O3...
06/26/2007
7232918Catalyst composition
There is provided a catalyst carrier comprising a refractory inorganic material having a sodium solubilization rate no greater than 5 ppmw/5 minutes. There is further a catalyst comprising a refractory inorganic material carrier having a sodium solubilization rate n...
06/19/2007
7232786Catalyst composition
There is provided a catalyst carrier comprising a refractory inorganic material having a sodium solubilization rate no greater than 5 ppmw/5 minutes. There is further a catalyst comprising a refractory inorganic material carrier having a sodium solubilization rate n...
06/19/2007
7220701Catalyst and process for selective hydrogenation
A selective hydrogenation catalyst composition comprises a rhodium component present in an amount such that the catalyst composition comprises less than 3.0% of rhodium by weight of the total catalyst composition; and an indium component present in an amount such th...
05/22/2007
7220699Catalyst incorporation in a microreactor
A method and device for loading a catalyst into a chamber. The catalyst loading is well suited for production of hydrogen producing microreactors. The catalyst is coated onto a strip which is mountable within the chamber. ...
05/22/2007
7220700Catalyst and process for selective hydrogenation
A selective hydrogenation catalyst composition comprises a support; a first metal component comprising rhodium; and a second metal component comprising a metal other than rhodium and selected from Groups 1 to 15 of the Periodic Table of Elements, wherein said first ...
05/22/2007
7199079Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for automobile exhaust gas
A purification catalyst for exhaust gas enhances the activities of the precious metals, preventing decrease of activities at high temperature, and exhibiting a satisfactory performance during operation. In the purification catalyst of the present invention, Pd is su...
04/03/2007
7179366Catalyst based on a group VI metal and a group VIII metal at least partially present in the form of heteropolyanions in the oxide precursor
A catalyst contains at least one group VIII element and at least molybdenum and/or tungsten, said elements being present at least in part in the catalyst in the dry state in the form of at least one heteropolyanion with formula MxAB6O24
02/20/2007
7169735Catalyst and process for preparing the same
The object of the present invention is to provide a catalyst that is highly active and capable of maintaining its activity for a long period of time even in a high-temperature environment. The present invention is a catalyst including: a porous carrier which is comp...
01/30/2007
7160839Catalyst for purifying nitrogen oxides
A catalyst for purifying NOx is provided which efficiently decomposes and purify the NOx in an exhaust gas in an oxygen-excess atmosphere, excels in resistance to heat and in durability in a high temperature range under a high-temperature oxidizing atmosphere and in...
01/09/2007
7150866Catalyst for autothermal reforming of hydrocarbons with increased water gas shift activity
The invention relates to a catalyst and a process for the autothermal, catalytic steam reforming of hydrocarbons using the catalyst. The catalyst has a multilayer structure and comprises a lower catalyst layer located directly on a support body and an upper catalyst...
12/19/2006
7138358Catalyzed diesel particulate matter filter with improved thermal stability
A catalyzed diesel particulate matter exhaust filter with improved diesel particulate matter oxidation activity and thermal stability including a porous filter substrate for filtering the diesel particulate matter washcoated with high surface area support alumina, t...
11/21/2006
7138353Particulate burning catalyst
There is provided a particulate matter combustion catalyst which allows easy combustion of particulate matter collected on the particulate matter filter of a diesel vehicle, at a much lower temperature than by the prior art. The particulate matter combustion catalys...
11/21/2006
7137249Thermally stable lean nox trap
The present invention provides a method of removing harmful gases from an automobile exhaust. The method of the invention comprises contacting a thermally stable NOx trap composition with a first exhaust gas mixture at a temperature of at least 200° C. T...
11/21/2006
7132150Porous ceramic filters with catalyst coatings
Porous ceramic catalyst supports or filters to be provided with catalyst coatings via oxide washcoating processes are pre-coated with polymer barrier layers to prevent washcoat nanoparticle intrusion into the microcracked and/or microporous surfaces of the ceramics,...
11/07/2006
7122168Shape anisotropic metal oxide nanoparticles and synthetic method thereof
In a metal oxide nanoparticle and a synthetic method thereof, and in particular to maghemite (γ-Fe2O3) nanoparticles usable as a superhigh density magnetic recording substance by having good shape anisotropy and magnetic characteristics, hemat...
10/17/2006
7122612Porous ceramic filters with catalyst coatings
Porous ceramic catalyst supports or filters to be provided with catalyst coatings via oxide washcoating processes are pre-coated with cross-linked polymer barrier layers to prevent washcoat nanoparticle intrusion into the microcracked and/or microporous surfaces of ...
10/17/2006
7109145Noble metal-containing supported catalyst and a process for its preparation
The invention provides a noble metal-containing supported catalyst which contains one of the noble metals from the group Au, Ag, Pt, Pd, Rh, Ru, Ir, Os or alloys of one or more of these noble metals in the form of noble metal particles on a powdered support material...
09/19/2006
7098503Circuitry and capacitors comprising roughened platinum layers
In one aspect, the invention includes a method of forming a roughened layer of platinum, comprising: a) providing a substrate within a reaction chamber; b) flowing an oxidizing gas into the reaction chamber; c) flowing a platinum precursor into the reaction chamber ...
08/29/2006
7060652Gas sensor
A liquid electrode mixture for use in a gas sensor having from about 60 to about 240 milligrams of platinum black catalyst; from about 900 to about 1100 milligrams of water; from about 300 to about 400 microliters of 1-propanol; and from about 100 microliters to abo...
06/13/2006
7060651Silica-rich carrier, catalyzer for heterogeneous reactions and method for the production thereof
A silica-rich support and a catalyst containing the silica-rich support and a catalytic component. The support has a specific structure characterized by a set of claimed physicochemical properties: in the 29Si MAS NMR spectrum the state of silicon is char...
06/13/2006
7056615Electrode for polymer electrolyte fuel cells and manufacturing method therefor
In an electrode for polymer electrolyte fuel cells comprising electron conducting particles carrying platinum and an ion conducting polymer, platinum particles formed by a microemulsion method are added in a range of from 5 to 20% of the total amount of platinum in ...
06/06/2006
7045486Catalyst structure and method of fischer-tropsch synthesis
The present invention includes a catalyst structure and method of making the catalyst structure for Fischer-Tropsch synthesis that both rely upon the catalyst structure having a first porous structure with a first pore surface area and a first pore size of at least ...
05/16/2006
7037878Environmental control system including ozone-destroying catalytic converter having anodized and washcoat layers
An aircraft environmental control system includes a catalytic converter having ozone-destroying capability. A surface of the catalytic converter is anodized to form an anodized layer, and the metal oxide layer is washcoated to form a washcoat layer. An ozone destroy...
05/02/2006
7033547Exhaust gas treating apparatus and vehicle equipped with the apparatus
An exhaust gas treating an apparatus and a vehicle vehicles equipped with the apparatus, wherein a liquid-including substance having salt including oxygen acid radical of nitrogen is installed in an exhaust gas passage to treat exhaust gas having carbon-containing p...
04/25/2006
7030055NOreduction compositions for use in FCC processes
Compositions for reduction of gas phase reduced nitrogen species and NOx generated during a partial or incomplete combustion catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise (i) an acidic...
04/18/2006
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