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Class 502/262 - Platinum or palladium


Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Composition in which the free metal or compound comprises
No. of patents: 229
Last issue date: 05/01/2012


1            
NumberTitleIssue Date
8168558Method of manufacturing nano-platinum catalyst on nano-sized silicon dioxide
The present disclosure uses a nano-SiO2 powder as a supporter with H2PtCl6 added as an electro-catalyst precursor. A chemical reduction is processed at a high temperature to adhere nano-sized Pt ions on the nano-SiO2 powde...
05/01/2012
7943547Selective catalytic oxidation of ammonia to water and nitrogen
A catalyst includes a platinum coating deposited on a silica support. The support has an average surface area between about 100 m2/g and about 120 m2/g. The platinum coating is between about 5 wt % and about l5 wt % of the catalyst. The combina...
05/17/2011
7745370Selective hydrogenation catalyst designed for raw gas feed streams
A catalyst for selective hydrogenation of acetylenes and diolefins, particularly in a raw gas feed stream for front end selective hydrogenation. The catalyst contains a low surface area carrier with a surface area from about 2-20 m2/g, wherein the pore volume of the...
06/29/2010
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
7361625Photocatalyst producing method, photocatalyst, and gas purifier
A carrier supporting titania thereon is further caused to carry a metal compound thereon. This metal compound is hydrogen reduced in a heating atmosphere at a first treatment temperature, then oxidized in a heating atmosphere at a second treatment temperature not hi...
04/22/2008
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
7326270Filter
A filter has a honeycomb structural body having a plurality of large-capacity through holes and small-capacity through holes placed in parallel with one another in a length direction. A total (a) of lengths in the cross section of wall surfaces of one large-capacity...
02/05/2008
7323432Catalyst assembly
A catalyst assembly comprising a substrate, nanofilaments which have a nanometer-size diameter and are formed on the substrate, and particles which have a nanometer-size diameter, at least one of the nanofilaments and the particles having a catalytic function, is pr...
01/29/2008
7318915Oxidation-reduction catalyst and its process of use
This invention relates generally to a ruthenium stabilized oxidation-reduction catalyst useful for oxidizing carbon monoxide, and volatile organic compounds, and reducing nitrogen oxide species in oxidizing environments, substantially without the formation of toxic ...
01/15/2008
7309679Attrition resistant MTO catalyst
A process is presented for the formation of a SAPO-34 catalyst product. The process creates a harder, more attrition resistant catalyst for use in the MTO process. ...
12/18/2007
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
7291577Hydrometallurgical process for production of supported catalysts
A process for the production of a supported catalyst. The process comprises heating a slurry that comprises a catalyst support and at least one active catalytic ingredient precursor. Gas is introduced to the slurry at a sufficient pressure to reduce the at least one...
11/06/2007
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
7271125Coated metal substrate
A coated metal substrate useful for carrying an exhaust emission treatment catalyst such as a three-way conversion catalyst for use with small engine platforms. The coated metal substrate comprises a metal such as a stainless steel, a carbon steel, a FeCr alloy, HAS...
09/18/2007
7259127Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for exhaust gas
Pd-based composite oxide containing at least one element selected from rare earth metals is used. Therefore, a composite oxide having the same amount of noble metal as in a conventional technique can be burned at a lower temperature. As a result, a purification cata...
08/21/2007
7256153Carrier catalytic converter for the selective hydrogenation of alkines and dienes
A catalyst for the selective hydrogenation of alkynes and dienes in C2-C5+-olefin mixtures is described. These catalysts contain (a) a metal of the tenth group of the Periodic Table, (b) a metal o...
08/14/2007
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
7250385Catalyst and method for preparation thereof
The invention is a catalyst formed by covering each surface of particles in a ceramic support with an alumina thin film and holding an active catalyst component with the surface of the thin film, which is large in the pore size and porosity and small in the pressure...
07/31/2007
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
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
7163666Thermally tolerant support structure for a catalytic combustion catalyst
The present invention provides a support structure for a catalyst disposed within an outer containment. Several unique arrangements and connections of supporting struts that form the structure provide a number of significant advantages and improvements. The support ...
01/16/2007
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
7135429Attrition resistant carrier product
The present invention is directed to an attrition resistant carrier product such as silica. Further, this invention is directed to the use of a binder to improve the attrition resistance or reduce the friability of a carrier product such as silica. In an embodiment,...
11/14/2006
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
7105137Catalyst for the reduction of NO to Nwith hydrogen under NOx oxidation conditions
The invention relates to a novel catalyst having excellent activity, selectivity and stability for reducing nitric oxide to gas nitrogen, with hydrogen being used as a reducing agent, in the low temperature range 100–200° C. and in the presence of an excess of ox...
09/12/2006
7086235Cascade ignition of catalytic combustors
The present embodiment relates to a catalytic combustor for reducing the pollutant emissions of combustion. The catalytic combustor described herein employs a novel heat exchange system for rapidly and economically bringing the combustor to a temperature wherein cat...
08/08/2006
7087208Methods for making chlorous acid and chlorine dioxide
Chlorous acid is generated from a chlorite salt precursor, a chlorate salt precursor, or a combination of both by ion exchange. The ion exchange material facilitates the generation of chlorous acid by simultaneously removing unwanted cations from solution and adding...
08/08/2006
7067454Low cost quick response catalyst system
A catalyst system for removing one or more components from a fluid stream includes a binder layer and a plurality of catalyst structures affixed to, and protruding from, the binder layer such that the catalyst structure surface is directly exposed to the fluid strea...
06/27/2006
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
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
7048894Ceramic filter and catalyst-loaded ceramic filter
A catalyst-loaded ceramic filter made of a ceramic material capable of directly supporting a catalyst component thereon is capable of providing early activation of the catalyst with a low coefficient of thermal expansion and light weight, without compromising the hi...
05/23/2006
7049266Layered double hydroxides supported nanopalladium catalysts for Heck-, Suzuki, Sonogashira-, and Stille type coupling reactions of haloarenes
Processes for the preparation of nanopalladium (0) catalysts are disclosed. In some embodiments, the nanopalladium (0) catalysts may be reusable. In some embodiments, the nanopalladium (0) catalysts may be heterogeneous. Nanopalladium (0) catalysts may be employed f...
05/23/2006
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
7030056Process for preparing a catalyst, the catalyst and a use of the catalyst
A process for preparing a catalyst which process comprises the steps of: (a) introducing a Group 8 metal compound onto a carrier, (b) converting a first portion of the Group 8 metal compound on the carrier into met...
04/18/2006
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
7005404Substrates with small particle size metal oxide and noble metal catalyst coatings and thermal spraying methods for producing the same
A substrate having a catalytic surface thereon characterized as a coating of metal oxide and noble metal particles in the nominal diameter size distribution range of
02/28/2006
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