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7524787 Producing supported cobalt catalysts for the Fisher-Tropsch synthesis  
A process for producing a supported Fischer-Tropsch catalyst includes treating, in an activation stage ( 12 ), a particulate pre-reduction cobalt nitrate-based supported Fischer-Tropsch synthesis...
7307038 NOx reduction compositions for use in FCC processes  
Processes for preparing a composition comprising (i) an acidic metal oxide containing substantially no zeolite, (ii) an alkali metal, alkaline earth metal, and mixtures thereof, and (iii) an oxygen...
7153810 Silver doped catalysts for treatment of exhaust  
A method of making an exhaust treatment catalyst includes dispersing a metal-based material in a first solvent to form a first slurry and allowing polymerization of the first slurry to occur....
7094727 Heteropolyacid catalyst and method for producing the same  
Provided is a novel heteropolyacid catalyst useful for partial oxidation of methacrolein (MACR) to methacrylic acid (MAA), as represented by the following formula 1:
6777368 Molten-salt type catalyst  
A molten-salt type catalyst is adapted for purifying particulate materials, which are contained in an exhaust gas emitted from an internal combustion engine and contain carbon. It includes a solid...
6774080 Gas treatment device comprising SMSI material and methods for making and using the same  
A gas treatment device, comprises a substrate disposed within a shell. The substrate comprises a catalyst composition comprising a support, a catalyst, and a sufficient amount of SMSI material such...
6673326 Catalytic processes for the reduction of perfluorinated compounds and hydrofluorocarbons  
A process for reducing perfluorinated compounds and/or hydrofluorocarbon compounds in a sample uses a catalyst made from aluminum oxide (Al 2 O 3 ), and one or more enhancers selected from the...
6620761 Catalyst comprising palladium and zirconia  
A catalyst composition which includes palladium and zirconium is formed as a suspension which can be coated onto a metal strip. The composition is formed by combining palladium nitrate with a...
6562749 Process for the preparation of a catalyst or catalyst precursor  
A process for the preparation of a ceramic foam supporting one or more catalytically active components or precursors thereof, which component is active in a form other than an inorganic oxide, the...
6100215 Process for producing particulate iron-antimony containing oxide composition having high compressive strength  
There is provided a process for producing a particulate iron-antimony containing oxide composition having high compressive strength, comprising the steps of: providing an aqueous slurry containing...
6090742 Process for the preparation of high activity hydrocarbon synthesis catalysts; and catalyst compositions  
A process for the preparation of a catalyst which is highly active for the synthesis of hydrocarbons from mixtures of hydrogen and carbon monoxide. A silica or silica-containing support is treated...
6037299 Catalyst composition and processes therefor and therewith  
A composition comprises silicon, aluminum, zirconium, and boron. A process for producing the composition comprises contacting a silicon compound, an aluminum compound, a zirconium compound, and a...
5952258 Process for the preparation of pyridine using zeolite catalysts  
Disclosed is a process for the preparation of pyridine bases by a reaction of an aliphatic aldehyde and/or ketone with ammonia under gaseous phase using a specified catalyst in which a specified...
5935898 Monomodal and polymodal catalyst supports and catalysts having narrow pore size distributions and their production  
Monomodal or polymodal catalyst supports or catalysts having a BET specific surface area of from 0.01 to 250 m 2 /g and a monomodal or polymodal pore size distribution having a mean pore diameter...
5849852 Support for catalysts, process for the manufacture of a precursor gel of a support for catalysts, catalyst for the polymerization of olefins and process for the polymerization of olefins by means of this catalyst  
Support for catalysts, containing at least two constituents chosen from silica, alumina and aluminium phosphate, having a specific surface of 100 to 800 m 2 /g, a crystallization temperature...
5763717 Process for preparing hydroxybiphenyl  
A description is given of the preparation of hydroxybiphenyl by dehydrogenation of completely or partially hydrogenated precursors using a supported Rh catalyst which additionally contains...
5693585 Aliphatic alkylation catalyst comprising an active phase containing a cuprous compound on a support  
A catalyst containing a porous organic or mineral support and at least one active phase having at least one aluminum halide, at least one compound selected for quaternary ammonium halides and amine...
5643849 Catalysts and improved process for preparing salts of aldonic acid  
The present invention relates to novel palladium/bismuth/carbon catalysts which increase selectivity and activity and lower color (i.e., provide greater purity of reaction products when the...
5569770 Method for the production of N-Vinyl-2-Pyrrolidone by gas-phase dehydration reaction at atomospheric pressure  
The present invention relates to a method for the production of N-vinyl-2-pyrrolidone by gas-phase reaction at atmospheric pressure. The method is characterized in that a gas-phase reaction is...
5380691 Catalytic microporous zirconia particulates  
Highly microporous zirconia particulates having pore sizes of an average diameter of less than 20 Å (2 nm), well adapted as catalysts and catalyst supports, are prepared by thermohydrolyzing a...
5268512 Catalyst and process for producing phenol  
A catalyst for producing phenol consisting essentially of a nickel compound supported on a metal oxide carrier, or a catalyst for producing phenol consisting essentially of iron oxide and nickel...
5137863 Process for controlling degree of dispersion of active component of metal/carrier solid catalyst  
Disclosed is a process for controlling the degree of dispersion of a catalyst active component in the preparation of a metal/carrier solid catalyst, which comprises dry-blending an ultra-fine...
5135901 A catalyst composition comprising rhodium, ruthenium,and a promoter  
A catalyst used in a process for producing a β-hydroxyester product or a β-hydroxyaldehyde product from ethylene oxide, carbon monoxide, and, optionally, hydrogen, is disclosed. This process...
5086026 Reduction catalyst with modified rhodium structure  
Method of enhancing the catalytic effectiveness of rhodium to reduce nitric oxides: (a) preparing a polymer modifier (molecular weight of 500-50,000) by controllably reacting amine [mono-2-hydroxyl...
5081092 Oxidation catalyst with modified platinum structure  
Sacrificial use of amino polymers to modify the crystal structure of platinum derived from chlorine compounds in a method to oxidize hydrocarbons, comprising: (a) preparing a polymer modifier by...
4886772 Catalyst treatment process  
A method for preparing a mixture of lower aliphatic alcohols from the reaction of carbon monoxide and hydrogen in the presence of a sulfide-containing heavy metal catalyst under...
4853357 Olefin oxidation catalyst system  
The additional of redox-active metal components and ligands, alternatively or simultaneously, results in increased conversion and selectivity in the palladium-catalyzed oxidation of olefins to...
4780448 Preparation of a catalyst containing copper and silica  
A catalyst containing copper and silica is prepared by a process in which an aqueous alkali metal silicate solution containing from 1 to 26% by weight of SiO 2 is brought to a pH of from 0.5 to...
4771030 Process for preparing particulate aluminum metal for adsorbing mercury from natural gas  
Hydrocarbon gases containing trace quantities of mercury are treated to remove the mercury by contacting the gases with a porous bed of aluminum which has been activated by contacting it with an...
4767738 Lead aluminum borate  
The present invention is a novel crystalline lead aluminum borate composition characterized by a unique x-ray diffraction pattern.
4761393 Method for placing a catalytically active alkali metal on a catalyst support  
A method for placing catalytically active alkali metal ion on a catalyst support to make an in situ catalyst is disclosed. Specifically, the method contemplates providing a quantity of a suitable...
4758544 Catalyst composition and hydroprocessing of oils using same  
A catalyst composition comprising an alumina-aluminum phosphate-silica support bearing a halogen, a Group VI metal and a Group VIII metal in which the support has an average pore radius of from...
4711743 Process for producing anthraquinone-1-sulphonic acid by sulphonation with palladium catalyst  
A process for the production of anthraquinone-1-sulphonic acid by sulphonating anthraquinone with a sulphonating agent in the presence of palladium catalyst in a solvent, is characterized in that...
4711867 Catalytic composition  
A catalystic composition suitable for producing acrylonitrile from propylene, ammonia and oxygen (or oxygen-containing gas), which composition is represented by the following formula: (Mo) a (W)...
4705767 Sulfactants in acid-peptized catalyst compositions  
Surface active agent added to an acid-peptized alumina catalyst paste preserves macropores in the calcined particle.
4668652 Catalyst for oxidation reactions and process for its production  
Catalyst containing a vanadium/phosphorus complex oxide, for the oxidation of hydrocarbons to maleic anhydride. The catalyst contains 1 to 1.3 atoms of phosphorus per atom of vanadium. The pore...
4645754 Silver catalyst for production of ethylene oxide and method for manufacture thereof  
A silver catalyst for the production of ethylene oxide by catalytic vapor phase oxidation of ethylene with molecular oxygen in the presence of a halogenated inhibitor, having silver and at least...
4629716 Process for producing narrow-pore catalyst supports  
This invention relates to a process for preparing catalyst supports with a narrow pore size distribution by simultaneously titrating an acid aluminum species, a basic aluminum species and a...
4594335 Transition metal aluminates  
Crystalline transition metal aluminate compounds are formed by reacting transition metal compounds with crystalline hydrous alumina, such as gibbsite, bayerite, norstrandite, boehmite and the like....
4570016 Manufacture of butanedicarboxylic acid esters  
Deactivated cobalt catalyst from the carboxalkoxylation of butadiene is regenerated by contact with a strong acid ion exchange resin.
4546093 Preparation of catalyst system for the synthesis of 2-6-xylenol  
A process for preparing a 3-component catalyst system consisting of manganic oxide, ferric oxide and zinc oxide, which are adjusted to have an atomic ratio of Mn:Fe:Zn from 90:20:20 to...
4537867 Promoted iron-cobalt spinel catalyst for Fischer-Tropsch processes  
Iron-cobalt spinels which contain low levels of cobalt, in an iron/cobalt atomic ratio of 7:1 to 35:1, are converted to Fischer-Tropsch catalysts upon reduction and carbiding that exhibit high...
4507494 Process for the production of a diester of oxalic acid  
In a process for preparing a diester of oxalic acid by the vapor phase catalytic reaction of carbon monoxide with an ester of nitrous acid in the presence of a catalyst composed of a solid carrier...
4493905 Fluid bed catalyst for synthesis gas conversion and utilization thereof for preparation of diesel fuel  
A catalyst useful in the conversion of synthesis gas to diesel fuel in a fluidized bed is prepared by contacting finely divided alumina with an aqueous impregnation solution of a cobalt salt,...
4482735 Process for preparation of methyl methoxyacetate  
A process for the preparation of methyl methoxyacetate by the oxycarbonylation of methanol which comprises reacting methanol with carbon monoxide in the presence of a hydrogen fluoride catalyst and...
4476324 Catalyzed aldol condensations  
Heat treated anionic clay mineral is an improved catalyst for the conversion of acetone to mesityl oxide and isophorone as well as for the aldol condensation of other carbonyl-containing compounds.
4447558 Process for producing an antimony containing metal oxide catalyst  
A process for preparing an antimony-containing metal oxide catalyst, comprising the steps of calcining at about 500° to 1,000° C. a metal oxide composition containing, as essential elements,...
4446070 Catalytic oxidation of polynuclear aromatic hydrocarbons  
A process for the catalytic oxidation of polynuclear aromatic hydrocarbons in general and anthracene in particular in an oxygen-containing gas in the presence of a ceric ammonium nitrate catalyst...
4443624 Method of preparing malonic acid dialkyl esters  
Production of malonic acid dialkyl esters by reacting halogen acetic acid alkyl ester with carbon monoxide, and alkali metal alcoholate, alkaline earth metal alcoholate or a solution of alkali...
4436834 Iron-thallium catalysts for use in CO hydrogenation and process of preparing the catalysts  
Novel thallium promoted iron catalysts are described as being useful in CO hydrogenation processes utilizing CO/H 2 mixtures for selectively producing C 6 -C 11 liquid hydrocarbons, containing C...
Matches 1 - 50 out of 149 1 2 3 >