Matches 151 - 200 out of 253 < 1 2 3 4 5 6 >
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RE34910 Carbon-clad zirconium oxide particles  
Carbon-clad zirconium oxide particles are disclosed which are useful in sorbent applications, particularly as packing materials for High Performance Liquid Chromatography (HPLC). A method for the...
5372981 Method of preparing metal-heterocarbon-nitrogen catalyst for electrochemical cells  
In a preferred method, electrodes are formed with a catalyzed carbon substrate for use in an electrochemical cell. The catalyzed carbon substrate basically comprises carbon particles having...
5294585 Preparation of particulate composite material with carbon matrix  
The present invention concerns a polyphase particulate composite material containing a microporous phase which is essentially carbon whose microporous volume is between 0.1 cm 3 /g and 1 cm 3 /g,...
5271833 Polymer-coated carbon-clad inorganic oxide particles  
Polymer-coated carbon-clad inorganic oxide particles are disclosed which are useful in sorbent applications, particularly as packing materials for High Performance Liquid Chromatography (HPLC). A...
5214014 Deodorizing catalyst  
The present invention provides a deodorizing method for removing malodorant components by oxidative destruction with ozone in the presence of a catalyst comprising a first component, which is a...
5192735 Preparation of low chromium active charcoal by freeze drying impregnated charcoal  
Activated charcoal, or ASC whetlerite charcoal for use in providing protection against chemical warfare agents, contains chromium VI, which is a known carcinogen, as well as other metal...
5173466 Catalyst for the reduction of nitrogen oxides from waste gases and a process for its production  
A carbon- and nitrogen-based catalyst consisting essentially of active carbon or active coke and comprising at least 90% by weight of graphite structures containing at least 10% of pores larger...
5171560 Carbon fibrils, method for producing same, and encapsulated catalyst  
A process for preparing carbon fibrils using discrete, unfused, metal-containing catalytic particles encapsulated in non-graphitic carbon, a carbide, or an organic polymer.
5166118 Catalyst for the hydrogenation of hydrocarbon material  
A catalyst for the hydrogenation of a hydrocarbon material which is a member selected from the group consisting of red mud, iron oxides, iron ores, hard coals, lignites impregnated with heavy metal...
5165909 Carbon fibrils and method for producing same  
The invention relates to carbon fibrils characterized by a substantially constant diameter, length greater than about 5 times the diameter, an ordered outer region of catalytically grown, multiple,...
5139982 Supported metal oxide catalysts for the simultaneous removal of NO.sub.x and SO.sub.x from gas streams  
This invention describes the preparation and use of metal oxide catalysts supported on titanium dioxide, hydrophobic or polymeric substrates for the removal of NO x and SO x from gas streams such...
5053574 Hydrodealkylation of alkylaromatic compounds  
A catalyst for hydrodealkylation of alkylaromatic compounds which comprises porous alumina particles with coke deposited thereon in the pores, said alumina particles having a pore volume of 0.1 to...
5051389 Catalyst composition prepared by vapor depositing onto a carbon support  
A catalyst composition prepared by depositing a metal or metal compound onto a preformed carbon support and thereafter converting said metal or metal compounds to an oxide or sulfide having...
5037791 Porous metal oxide supported carbon-coated catalysts and method for producing same  
Supported carbon-coated catalyst material and a method for producing and using same in catalytic reaction processes, preferably in ebullated or fluidized catalyst beds. The catalyst materials are...
5010049 Modified molybdenum sulfide hydrodesulfurization/hydrodenitrogenation catalysts  
Hydrodesulfurization/hydrodenitrogenation catalysts and a process for making these is disclosed. The catalysts have (i) overall stoichiometries of M 2x A 1 -x S 2 , where 0.001≤x≤0.5, M is Co,...
4992404 Carbon-based catalyst useful in gas-solid reactions  
A carbon-based catalyst which has a carbon content of >65% by weight and a content of substantially insoluble oxides of the metals Co, Fe, Ni, Cr, V, Mo, W, Cu, Mn and Ti of, in all, 0.1% by...
4988434 Removal of metallic contaminants from a hydrocarbonaceous liquid  
A method of reducing the concentration of metal contaminants, such as vanadium and nickel, in a petroleum distillate or other hydrocarbonaceous liquid is disclosed. The method comprises...
4970189 Porous, metal-containing carbonaceous material  
A porous, metal-containing carbonaceous material is disclosed which comprises a porous, carbonaceous body, and fine particles of a metal having an average particle size of 1 μm or less and...
4954465 Apparatus for removing stink  
A photocatalystic decomposing apparatus comprises absorbent including honeycomb form active carbon and titanium oxide acting as photocatalyst applied to a surface of the active carbon, and a light...
4954474 Process for preparing catalysts by alloying metals on supports  
Disclosed herein is a process for alloying metals on inorganic supports comprising applying the solution of an organic acid amine salt of a second metal onto the inorganic supports already...
4916110 Microporous catalytic material and support structure  
A microporous catalytic material and support prepared under a reducing atmosphere by pyrolysis of an interiorly metal-plated porous polymer to leave the residual microporous tubular-configured...
4914071 Method for preparing a catalyst  
A method for preparing a catalyst suitable for oxidation of carbon monoxide comprises the steps of treating a high surface area carbon support with an aqueous solution of a stannic salt and a...
4910177 Catalyst for the reduction of aldehydes and ketones  
Disclosed is a process of reduction of aldehydes or ketones by means of reaction with alcohols, in the presence of a catalyst, to produce alcohols which correspond to said respective aldehyde or...
4863887 Additive for the hydroconversion of a heavy hydrocarbon oil  
There is provided an additive for the hydroconversion of a heavy hydrocarbon oil, which is obtained by suspending a fine powder of a carbonaceous substance and a solution of a heteropolymolybdic...
4863889 High surface area rhenium sulfide hydrodesulfurization catalysts prepared by an aqueous technique and a process for using them  
This invention relates to a process for the preparation of high surface area rhenium sulfide hydrodesulfurization catalysts and to a process of using such catalysts for hydrotreating, particularly...
4831003 Catalyst composition and process of making  
A catalyst composition prepared by depositing a metal or metal compound onto a carbon support formed, in effect, simultaneously with the deposition of the metal or metal compound via partial...
4826797 Carbon-containing molybdenum and tungsten sulfide catalysts  
Catalysts comprising a carbon-containing sulfide of molybdenum or tungsten are prepared by contacting, in the presence of sulfur, hydrogen and a hydrocarbon, ammonia and ammonium substituted...
4806290 Low density microcellular carbon or catalytically impregnated carbon forms and process for their preparation  
Machinable and structurally stable, low density microcellular carbon, and catalytically impregnated carbon, foams, and process for their preparation, are provided. Pulverized sodium chloride is...
4752456 Process for preparing metal carbides and precursors thereof  
A carbon-containing mixture is obtained by collecting a dispersed phase mixture from an aerosol which has been formed by introducing a decomposable carbon compound and a decomposable metallic...
4743431 Fluidization aid including low bulk density fluidization aid  
Tendrillar carbonaceous material is used as a fluidization aid for fluidized beds. The tendrillar carbonaceous material can be used to fluidize cohesive solids. Further, it can be used to improve...
4692431 Hydrous oxide activated charcoal  
A method for producing a metal ion exchanger with increased absorption and regeneration capabilities that comprises treating an ionically inert porous support with a solution of metal oxychloride....
4677091 Process for the preparation of mixed metal oxide catalysts  
Mixed metal oxide catalysts suitable for the production of alcohols from carbon monoxide and hydrogen are prepared by: (a) forming a solution of the metals in a polar organic solvent, (b)...
4659686 Method for treating carbon supports for hydrogenation catalysts  
A method for treating carbon that is deficient in alkali and/or alkaline earth metal content to improve the efficacy of the carbon as a catalyst support, particularly as a support for a noble metal...
4656153 Active carbon containing a dispersion of a metal component and method for making same  
A high surface area, porous active carbon containing a substantially uniform dispersion of a metal or metal-containing material and a method for making the same are disclosed.
4636485 Filter comprising a catalyst on a substrate for purification of air  
Pt catalyst on a substrate provides an air purification particularly for carbon oxide contained in the inhaled air is caused to react with air oxygen on the surface of carbon oxide catalysts and...
4607021 Activation of fly ash  
Fly ash is activated by heating a screened magnetic fraction of the ash in a steam atmosphere and then reducing, oxidizing and again reducing the hydrothermally treated fraction. The activated fly...
4598060 Process for the preparation of wide pore catalysts  
This invention relates to alumina and/or silica supported catalysts which have a portion of their pores in the range of 75-1500 Å and wherein are or more catalytically active metal species is...
4591334 Fluidization aid  
Tendrillar carbonaceous material is used as a fluidization aid for fluidized beds. The tendrillar carbonaceous material can be used to fluidize cohesive solids. Further, it can be used to improve...
4591578 Catalyst of molybdenum on wide-pore carbon support  
New catalysts comprising molybdenum on supports of defined wide-pore carbons are useful as catalyst for reaction of CO with H 2 for synthesis of hydrocarbons. Catalysts may be made by depositing...
4583299 Fluidization aid for cohesive materials  
Tendrillar carbonaceous material is used as a fluidization aid for fluidizing cohesive materials in fluidized beds. The tendrillar carbonaceous material can be a fibrous, particulate carbonaceous...
4569924 Metal carbon catalyst preparation  
Carbon-metal catalysts having a substantial amount of catalytically active metal, e.g. silver, deposited thereon in zero-valent, small cluster form, are prepared by vaporizing the metal under low...
4522708 Catalytic reforming process employing reforming catalysts which are based on tungsten and molybdenum carbides  
The present invention relates to catalysts for reforming petroleum products in mass form or supported for example, on aluminium or active carbon, the active part of which consists of tungsten and...
4520124 Method for producing a catalytic structure for the reduction of nitrogen oxides  
A method is provided for producing a catalytic structure in the form of sheet or honeycomb for the gas phase reduction of nitrogen oxides. The method comprises: beating an inorganic fiber in water...
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...
4501685 Catalytic selective hydrogenation of aliphatic unsaturation in copolymers  
A catalyst system and process for the selective hydrogenation of aliphatic unsaturation in copolymers containing aromatic groups for example styrene-butadiene copolyers, the catalyst system...
4499201 Process for removing alumina or silica substrate from carbonaceous pyropolymers  
Carbonaceous pyropolymers possessing recurring units containing at least carbon and hydrogen atoms may be obtained from compositions of matter comprising carbonaceous pyropolymers possessing...
4495306 Preparation of catalysts by the precipitation of a hydroxide or sulfide from an emulsion in the presence of carbonaceous solid  
A process for the preparation of hydrogenation catalysts by contacting a carbonaceous material with a water in oil emulsion containing a salt of a hydrogenating metal, converting said salt to a...
4482641 Metal-containing active carbon and method for making same  
A high surface area, porous active carbon matrix containing a substantially uniform dispersion of a metal or metal-containing material and a method for making the same are disclosed.
4474895 Catalysts for gaseous phase fluorination of aliphatic chlorinated and chlorofluorinated hydrocarbons  
This invention relates to improved catalysts for gaseous phase fluorination of aliphatic chlorinated and chlorofluorinated hydrocarbons by hydrofluoric acid. The catalysts are characterized by an...
4471069 Reforming catalyst comprising low valence Ti, V or Cr composited with non-oxidizing high surface area support  
This invention relates to a novel catalyst for reforming gasoline comprising a low valence titanium, vanadium and/or chromium metallic component composited with a non-oxidizing high surface area...
Matches 151 - 200 out of 253 < 1 2 3 4 5 6 >