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WO/2001/096014A2 |
A cobalt based Fischer-Tropsch catalyst which including a porous catalyst support and metallic cobalt crystallites within the support. The catalyst has a proportion of its cobalt in reducible form, with this proportion being expressible ...
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WO/2001/096017A2 |
A process for preparing a cobalt based catalyst precursor includes in a first support impregnation / drying / calcination stage, impregnating a particulate porous catalyst support with a cobalt salt, partially drying the impregnated supp...
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WO2001054812B1 |
The present invention includes a catalyst having a layered structure with, (1) a porous support, (2) a buffer layer, (3) an interfacial layer, and optionally (4) a catalyst layer. The invention also provides a process in which a reactant...
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WO/2001/081736A1 |
The invention relates to an exhaust device (1) of an exhaust system, especially a modular vehicle catalyst or particle filter, comprising at least one exhaust funnel (20, 21) and one coaxial bearing tube (2) connected thereto, both made ...
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WO/2001/079670A1 |
A catalyst carrier comprising a honeycomb body (1) consisting of sheet metal layers (2). An axial recess (4) thereof and the sheet metal layers (2) are at least partially structured in such a way that the honeycomb body (1) is provided w...
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WO/2001/054807A1 |
Reactors and processes are disclosed that can utilize high heat fluxes to obtain fast, steady-state reaction rates. Porous catalysts used in conjunction with microchannel reactors to obtain high rates of heat transfer are also disclosed....
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WO/2001/044408A1 |
Catalyst particles are presulfided in a treatment zone separate from a hydroconversion reaction zone. The presulfided catalyst is then added to a substantially packed bed of catalyst in the hydroconversion reaction zone at reaction press...
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WO/2001/039886A1 |
Method for treating atmospheric pollutants by contacting the atmosphere with a catalyst composition or adsorptive material coated on the surface of a substrate in which the catalyst composition or adsorptive material is protected from de...
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WO/2001/017674A1 |
A combination comprising a bed of a particulate copper-containing catalyst and, upstream of the catalyst bed, a guard bed of a particulate composition containing a) lead and/or at least one lead compound that reacts with hydrogen chlorid...
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WO/2001/004469A1 |
The invention concerns a method for making catalyst containers and a device therefor. The method is characterised in that it essentially consists in: preparing, on a single semi-automatic production line, a station (1), at least a monoli...
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WO/2000/075496A1 |
A high temperature mat (16) for a pollution control device (10). The high temperature mat is generally utilized in pollution control devices (10) such as catalytic converters (14) and diesel particulate filters. The mat (16) includes a m...
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WO/2000/071253A2 |
A method for reducing catalyst attrition losses in hydrocarbon synthesis processes conducted in high agitation reaction systems; a method of producing an attrition-resistant catalyst; a catalyst produced by such method; a method of produ...
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WO/2000/059634A1 |
The invention relates to a catalytic element (1) for recombining hydrogen and/or carbon monoxide with oxygen in a catalyst body (2) that has a catalytic surface (4). The aim of the invention is to provide an especially safe means of prev...
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WO/2000/051733A1 |
The invention relates to a method for passivating pyrophorous solid bodies. According to the invention, an evenly passivated solid body is produced under precisely defined conditions using nitrogen, carbon dioxide and oxygen.
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WO/2000/051727A1 |
The invention relates to a catalyst, especially for hydrogenating functional groups of organic compositions in the presence of water. Said catalyst contains nickel on a carrier, is reduced and stabilised and is provided with nickel cryst...
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WO/2000/037781A1 |
A catalytic converter (10) for purifying exhaust gases from an internal combustion engine includes a monolithic ceramic substrate (12) having a peripheral surface encircled by a non-intumescent supporting mat material (14). A metal shell...
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WO/2000/036284A1 |
The invention relates to a mounting mat (8) for mounting an exhaust-gas catalytic converter. Said mat is configured as a binder-free, multilayer flat structure (4) made of temperature-resistant yarn which is mechanically strengthened by ...
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WO/2000/029108A1 |
A thin film of catalyst is applied to a substrate by use of a coating composition that includes a film-forming polymer to reduce cracking of the coating during the coating process, resulting in an attrition resistant thin film product. P...
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WO/2000/015332A1 |
A method for restoring lost activity and selectivity of fresh cesium-promoted catalysts which comprises heating the catalyst at an elevated temperature in the presence of a sweep gas immediately prior to using the catalyst. The catalysts...
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WO/2000/015333A1 |
This invention relates to a process for the preparation of a catalyst having improved properties, said process comprising selecting a carrier, lowering the concentration of ionizable species present on the surface of the carrier, and dep...
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WO/2000/012878A1 |
The invention relates to a method for the production of a catalytic converter housing, wherein knocking of the housing jacket (1) to cause the insertion of an expanded mat (3) is effected at a predetermined frequency while the jacket of ...
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WO/2000/006301A1 |
The present invention includes a catalyst that has at least four layers, (1) porous support, (2) buffer layer, (3) interfacial layer, and optionally (4) catalyst layer. The buffer layer provides a transition of thermal expansion coeffici...
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WO/2000/006295A1 |
The present invention is a method and apparatus (vessel) for providing a heat transfer rate from a reaction chamber through a wall to a heat transfer chamber substantially matching a local heat transfer rate of a catalytic thermal chemic...
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WO/1999/046028A1 |
A support element (20) is disposed between a housing (12) and a fragile structure (18) resiliently mounted within the housing (12). The support element (20) includes an integral, substantially non-expanding ply or layer of melt-formed ce...
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WO/1999/042214A1 |
A method of treating a catalyst support comprises introducing onto and/or into an untreated catalyst support which is partially soluble in an aqueous acid solution and/or a neutral aqueous solution, Si, Zr, Cu, Zn, Mn, Ba, Co, Ni and/or ...
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WO/1999/042202A1 |
An exhaust gas catalyst especially for small two-stroke gasoline engines comprises a platinum group metal deposited on a refractory metal honeycomb support, and is provided with a diffusion barrier coating which reduces conversion withou...
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WO/1999/036682A1 |
The invention relates to a honeycomb arrangement (1) for reducing the transfer of heat from a honeycomb (3) to a housing (2) by heat radiation, using a special intermediate layer (7). The inventive arrangement also prevents the intermedi...
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WO/1999/032215A1 |
A method for manufacturing a catalytic converter for purifying exhaust gases from an internal combustion engine in which the converter has a monolithic substrate (10) surrounded by a mat (12) in which a compressive closing method is used...
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WO/1999/029423A1 |
The invention relates to soluble nanoparticles having a diameter of 0.5 to 3 nm, preferably of 1 to 2 nm, containing the platinum alone or platinum and other metals of the platinum group. The nanoparticles are embedded in a protective co...
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WO/1999/013204A2 |
A method of manufacturing a catalytic converter (10) for purifying exhaust gases from an internal combustion engine wherein the converter includes monolithic ceramic substrate (14) surrounded by a supporting mat. The method includes the ...
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WO/1999/002262A1 |
A denitration catalyst for use in the reduction of nitrogen oxides contained in an exhaust gas containing highly deliquescent salts as dust with ammonia, which bears thereon a porous coating of a water-repellent organic resin, a porous c...
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WO/1998/030656A1 |
A method of removing reactive metal from a metal-coated reactor system, comprising contacting at least a portion of a metal-coated reactor system containing reactive metal with a getter to produce movable metal, and fixating the movable ...
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WO/1998/014273A1 |
A metal foil has improved resistance to permanent thermal expansion. This metal foil includes a metal foil substrate and a thin barrier layer on at least one surface of the metal foil substrate. The metal foil can be used in a catalyst a...
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WO/1998/006492A1 |
An exhaust emission control catalyst for diesel engines which comprises a carrier backing material, a metallic carrier layer formed on the surfaces of the carrier backing material and carrying thereon a catalytic metal, and a diffusion s...
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WO/1997/032906A1 |
This invention relates to stabilized metallocene catalyst systems and to methods for their production and use. Specifically, these catalyst systems comprise metallocene, alkylalumoxane and optionally support material wherein the ratio of...
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WO/1997/010186A1 |
The invention relates to a glass-, ceramic- or vitro-ceramic-based substrate (1) having on at least a portion of at least one of its sides a coating (3) with photocatalytic characteristics comprising titanium oxyde which is at least part...
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WO/1997/006877A1 |
The present invention is an improved catalytic filter material for use in removing contaminants such as NOx from a fluid stream . The filter of the present invention employs composite fibers of expanded polytetrafluoroethylene (PTFE) fil...
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WO/1995/033561A1 |
The invention relates to an FCC catalyst comprising zeolite particles at least 50 % of the outer surface of which is coated with a layer of pre-formed inorganic oxide, which layer has a thickness in the range of 10 nm to 5 'mu'm, general...
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WO/1995/033562A1 |
The invention relates to a hydrocracking catalyst comprising at least one hydrogenation metal component, and particles of a cracking component as least 50 % of the outer surface of which is coated with a layer of pre-formed inorganic oxi...
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WO/1995/030481A1 |
The invention is directed to hydrogenation catalyst particles based on nickel or cobalt and a support, incorporated in a matrix of hardened oil or a derivative thereof, which matrix material is solid at a temperature of 25 �C, said par...
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WO/1995/023644A1 |
Stabilisation of a reduced copper catalyst by a) passivating the catalyst by passing a gas stream that is free of reducing gases and which contains 0.05 to 0.5 % by volume of oxygen and an amount of carbon dioxide at least twice the amou...
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WO/1995/016014A1 |
The invention relates to a process for the catalytic interesterification of triglycerides, which is characterized in that a heterogeneous catalyst is used, based on one or more oxides and/or oxysalts of metals of the groups IA and IIA of...
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WO/1994/025157A1 |
Self-heating characteristics of a spontaneously combustible catalyst are reduced by treating the catalyst with an oxygen-containing hydrocarbon having at least 12 carbon atoms. The treatment is particularly suitable for reducing the self...
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WO/1993/010897A1 |
Proposed is a method of producing alkaline-earth phosphates containing hydrophobic groups by reacting alkaline-earth phosphates with fatty acids. The products are suitable for use as alkoxylation catalysts in the manufacture of narrow-ra...
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WO/1992/021440A1 |
A molded or supported catalyst excellent in mechanical strengths for use in synthesizing methacrolein and methacrylic acid from isobutylene or tert-butyl alcohol is produced by coating the surface of a molded or supported catalyst based ...
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WO/1992/013637A1 |
A catalyst or membrane system conprising a thermostable, high-porous layer applied on a less porous or nonporous support layer, in particular on the inner surface of a monolith or sintered metal body, in the inner pores of alpha-Al2O3, o...
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WO/1985/002063A1 |
Sensitive material, e.g. lithium for lithium cell electrodes, is protected by providing relatively fluid-impermeable material, e.g. polyethylene, to protect the sensitive material and altering the physical structure of the protective mat...
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WO/1980/000313A1 |
Stabilisation against water uptake of hygroscopic salts useful as catalysts by formation of anhydrous adducts with particulate support materials in order to facilitate manipulation and storage. The adducts comprise a particulate support ...
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WO/1979/000611A1 |
A catalyst comprising a metal or alloy substrate which is normally not oxidation resistant at high temperature, an oxidation resistant coating applied to the substrate, the coating comprising aluminium metal powder in a ceramic binder, a...
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WO/1979/000247A1 |
The invention is concerned with providing substrates with coatings obtainable from sols, for example to protect the substrate (such as in nuclear reactors or hydrocarbon cracking plant) or to provide a carrier for catalytically active ma...
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