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Class 502/343 - Of zinc


Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Composition in which the additional metal is element number
No. of patents: 217
Last issue date: 08/17/2010


1            
NumberTitleIssue Date
7776785Catalyst for carbon monoxide conversion and method of carbon monoxide modification with the same
The invention provides a catalyst for carbon monoxide conversion, comprising from 10 to 90% by mass of a copper oxide ingredient, from 5 to 50% by mass of a zinc oxide ingredient and from 10 to 50% by mass of an aluminum oxide ingredient, and having a specific surfa...
08/17/2010
7622421Catalysts for low temperature oxidation of carbon monoxide
CuO—ZnO—CeO2 catalyst and aged CuO—ZnO catalyst catalytically active for low temperature oxidation of carbon monoxide. The catalysts are co-precipitated, filtered, washed, dried, and calcined. The catalysts can be incorporated into a component of a ...
11/24/2009
7592291Method of fabricating a catalytic structure
A precursor to a catalytic structure comprising zinc oxide and copper oxide. The zinc oxide has a sheet-like morphology or a spherical morphology and the copper oxide comprises particles of copper oxide. The copper oxide is reduced to copper, producing the catalytic...
09/22/2009
7427581Desulfurization process and novel bimetallic sorbent systems for same
Novel sorbent systems for the desulfurization of cracked-gasoline and diesel fuels are provided which are comprised of a bimetallic promotor on a particulate support such as that formed of zinc oxide and an inorganic or organic carrier. Such bimetallic promotors are...
09/23/2008
7422995Process for the preparation of a supported catalyst
The present invention relates to a Catalyst comprising a, preferably oxidic, core material, a shell of zinc oxide around said core material, and a catalytically active material in or on the shell, based on one or more of the metals cobalt, iron, ruthenium and/or nic...
09/09/2008
7413725Copper and/or zinc alloy nanopowders made by laser vaporization and condensation
A method of making Cu, Zn, and/or Cu/Zn alloy nanoparticles subjects one or more targets to laser energy to form a vapor and condenses the vapor to form nanoparticles having an average particle size of less than 20 nm. The optional application of an electric field r...
08/19/2008
7410931Thermal regulating catalyst composition
A composition is provided that can be used, for example, in a fuel processor for a fuel cell system. The composition includes a first material such as a catalyst, and a second material such as a desiccant. The second material is capable of sorbing and desorbing a he...
08/12/2008
7402612Stabilized transition alumina catalyst support from boehmite and catalysts made therefrom
This invention relates to methods for making a stabilized transition alumina of enhanced hydrothermal stability, which include the introduction of at least one structural stabilizer; a steaming step before or after the introduction step, wherein steaming is effectiv...
07/22/2008
7387983Methanol reforming catalyst having a reduced volume shrinkage
A methanol reforming catalyst containing passivated copper and zinc oxide and/or alumina can be prepared by (1) precipitating or spray-drying a mixture of catalyst precursor components dissolved or suspended in a diluent in order to form a solid catalys...
06/17/2008
7371707Desulfurization sorbent
The attrition resistance of sorbent compositions are enhanced by acid-treating the perlite component of the sorbent. The efficiency of making a promoter metal-containing sorbent composition is enhanced using a novel method for incorporating the promoter metal into t...
05/13/2008
7361626Supported catalyst
The present invention relates to a Catalyst comprising a, preferably oxidic, core material, a shell of zinc oxide around said core material, and a catalytically active material in or on the shell, based on one or more of the metals cobalt, iron, ruthenium and/or nic...
04/22/2008
7358212Method for producing multinary metal oxide powders in a pulsed reactor
The invention relates to a method for producing a one-part, multinary metal oxide power which is suitable for producing high-temperature superconductors. To this end, a mixture of the corresponding metal salts and/or metal oxides and/or metals in the requisite stoic...
04/15/2008
7335620Photocatalytic powder, photocatalytic slurry, and polymer composition, coating agent, photocatalytic functional molded article and photocatalytic functional structure using the powder
An object of the present invention is to provide a photocatalytic powder containing titanium dioxide fine particles containing an anionically active substance, where the electrokinetic potential of the fine particle is from about −100 to 0 mV in an aqueous environ...
02/26/2008
7323583Catalysts for the production of methylchlorosilanes using zinc oxide promoters
The present invention provides a catalyst that may be used to facilitate the formation of dimethylchlorosilanes. A catalyst in which copper oxide and zinc oxide are in intimate contact and form agglomerated particles allows for the increased selectively of the produ...
01/29/2008
7314965Catalysts containing copper and zinc for the purification of ethylene
Catalysts for the purification of ethylene containing copper and zinc, optionally one or more promoters or supports. These catalysts are produced by precipitation, drying, calcination and compression, optionally with the addition of additives, the compressed catalys...
01/01/2008
7309416Methods and compositions for desulfurization of hydrocarbon fuels
Sulfur is removed from a hydrocarbon fuel via contact with a desulfurization agent; the desulfurization agent is then regenerated (wherein sulfur is released) by exposing it to oxygen. The sulfur removal and regeneration processes each can be carried out at relative...
12/18/2007
7304013Metal oxide catalysts
Bulk and supported catalysts are prepared from an aqueous slurry containing a catalytically active material and a binder. The slurry is either coated onto a support and dried to form a porous, high surface area phase containing the catalytically active material, or ...
12/04/2007
7291259Process for desulfurizing hydrocarbon fuels and fuel components
Processes are disclosed for removing sulfur, including cyclic and polycyclic organic sulfur components such as thiophenes and benzothiophenes, from a hydrocarbon feedstock including fuels and fuel components. The feedstock is contacted with a regenerable sorbent mat...
11/06/2007
7232516Desulfurization with octane enhancement
A desulfurization system employing a system of fluidizable and circulatable solid particles to desulfurize a hydrocarbon-containing fluid in a fluidized bed reactor. The solid particulate system includes solid sorbent particles operable to remove sulfur from the hyd...
06/19/2007
7220704Desulfurization and novel compositions for same
A composition comprising a promoter and a metal oxide selected from the group consisting of a gallium oxide, an indium oxide, and combinations of any two or more thereof, wherein at least a portion of the promoter is present as a reduced valence promoter and methods...
05/22/2007
7208136Alcohol steam reforming catalysts and methods of alcohol steam reforming
The present invention provides steam reforming catalyst compositions containing Pd and Zn, and methods of steam reforming alcohols over a catalyst. Surprisingly superior results and properties of the present invention, including low temperature activity and/or low c...
04/24/2007
7205258Catalysts for the production of methylchlorosilanes using zinc oxide promoters
The present invention provides a catalyst that may be used to facilitate the formation of dimethylchlorosilanes. A catalyst in which copper oxide and zinc oxide are in intimate contact and form agglomerated particles allows for the increased selectively of the produ...
04/17/2007
7201839Desulfurization and novel compositions for same
A composition comprising a metal oxide, a silica-containing material, a gallium-containing material, an aluminum-containing material, and a promoter, wherein at least a portion of the promoter is present as a reduced-valence promoter and methods of preparing such co...
04/10/2007
7176159Catalyst and sorbent material for the production of hydrogen
A catalyst and sorbent is disclosed which comprises pellets with an absorbent core and a protective shell with a catalyst in the shell. Such material is especially well suited for steam reforming of hydrocarbons to produce hydrogen since a reforming catalyst can be ...
02/13/2007
7172990Highly active spherical metal support catalysts
The invention relates to highly active spherical metal support catalysts with a metal content of 10 to 70% by mass, and a process for their production with the use of a mixture of polysaccharides and at least one metal compound which is dropped into a metal salt sol...
02/06/2007
7132093Mesoporous mixed oxide materials as a new class of SOresistant catalysts for hydrocarbon oxidation
The oxide materials are of the class of ternary mesoporous mixed oxide materials including lanthanum, a metal M selected from the group consisting of Cr, Mn, Fe, Co, Ni, Cu and Zn, and zirconium or cerium such a mesoporous La—Co—Zr mixed oxide material designate...
11/07/2006
7128769Methanol steam reforming catalysts, steam reformers, and fuel cell systems incorporating the same
Methanol steam reforming catalysts, and steam reformers and fuel cell systems incorporating the same. In some embodiments, the methanol steam reforming catalyst includes zinc oxide as an active component. In some embodiments, the methanol steam reforming catalyst fu...
10/31/2006
7119237Process and catalyst for preparing alcohols
Alcohols prepared by reacting carboxylic acids and/or carboxylic esters with hydrogen in the presence of a special catalyst. ...
10/10/2006
7064097Process for production of a water gas shift catalyst
A process for the preparation of water gas shift catalyst is described. The process includes mixing a copper salt and a zinc salt with an aluminum component in a solution, precipitating a precipitate from the solution, drying an forming the precipitate into the wate...
06/20/2006
7048846Membrane separation for sulfur reduction
A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membrane having sufficient flux an...
05/23/2006
7041212Membrane separation for sulfur reduction
A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membrane having sufficient flux an...
05/09/2006
7033972Catalyst for producing dimethyl ether, method for producing catalyst and method for producing dimethyl ether
A catalyst for producing dimethyl ether which comprises alumina particles having an average size of 200 μm or less and a methanol synthesis catalyst layer formed around the alumina particles. The methanol synthesis catalyst is in an amount of 0.05 to 5 parts by wei...
04/25/2006
7033566Photocatalyst and use thereof for decomposing chemical substance
A photocatalyst including a metal oxide semiconductor represented by the formula: In1−xMxAO4 wherein M represents a transition metal element, A represents an element belonging to the Group 5a of the Perio...
04/25/2006
7022645Ni hydrogenation catalysts, manufacture and use
Improved Ni catalysts for hydrogenation reactions are disclosed. The catalysts are useful for hydrogenation such as selective hydrogenation of acetylenic impurities in crude olefin and diolefin streams. The catalysts are prepared by depositing nickel on a porous sup...
04/04/2006
7018527Membrane separation for sulfur reduction
A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membrane having sufficient flux an...
03/28/2006
6992041Deep desulfurization catalyst, method for preparing the same and method for desulfurization using the same
A catalyst for deep desulfurization of a mineral oil corresponding to kerosene, having a nickel component of nickel and nickel oxide, zinc oxide, and aluminum oxide The contents of the nickel component, and the aluminum oxide and the zinc oxide are defined. The nitr...
01/31/2006
6964755Method for producing high activity photocatalyst, photoactivity catalyst, and method for treating hydrogen sulfide for recovering hydrogen gas under low energy by using high activity photocatalyst
A high activity catalyst is obtained by oxidizing and modifying the surface of zinc sulfide by hydrogen peroxide. An oxidation treatment is carried out in basic aqueous solution. The high activity photocatalyst is added to the basic aqueous solution in which hydroge...
11/15/2005
6930074Desulfurization and sorbent for the same
A sorbent composition comprising a promoter metal, zinc oxide, and a high density refractory metal oxide can be used to more effectively desulfurize a sulfur-containing fluid such as cracked-gasoline or diesel fuel. ...
08/16/2005
6924249Direct application of catalysts to substrates via a thermal spray process for treatment of the atmosphere
Disclosed is a method for direct application of a catalyst to a substrate for treatment of atmospheric pollution including ozone. The method includes applying a catalytic metal to a substrate utilizing a thermal spray process. The process can be utilized to apply a ...
08/02/2005
6890877Enhanced fluid/solids contacting in a fluidization reactor
A system for enhancing fluid/solids contacting in a fluidization reactor by controlling the particle size distribution of the solid particulates in the reactor. ...
05/10/2005
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