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WO/2003/021089A1 |
A honeycomb structure capable of suppressing a decrease in isostatic strength attendant on the thinning of the honeycomb structure, a honeycomb structure converter, and a method of molding such honeycomb structure are provided. A honeyco...
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WO/2003/016215A1 |
The invention relates to a novel method of preparing silicas and to highly-structured silicas having the following characteristics: a specific surface area CTAB (S¿CTAB?) of between 40 and 525 m?2¿/g; a specific surface area BET (S¿BE...
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WO2002032574B1 |
A process for making microporous structures that can be used as a catalyst support. The microporous structures have high porosity and high thermal stability, combined with good mechanical strength and relatively high surface area. The pr...
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WO/2003/014544A1 |
The invention relates to honeycomb bodies, especially those used in the exhaust system of an internal combustion engine, comprising a housing and an especially metal matrix with an average starting diameter, characterized in that the mat...
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WO/2003/012008A2 |
A process for producing a clean wax product includes contacting, at an elevated temperature between 180°C and 250°C and at an elevated pressure between 10 bar and 40 bar, a synthesis gas comprising hydrogen and carbon monoxide with a c...
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WO/2002/102507A1 |
The invention relates to a catalyst that can be used to eliminate nitrates and nitrites in water by means of a reduction reaction at ambient temperature. The inventive catalyst is formed by combining a noble metal and a non-noble metal w...
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WO/2002/098561A1 |
A conductive catalyst particle composed of a conductive powder particle to which adhered is a catalyst material made of an alloy of a noble metal material and an additive material not thermally forming a solid solution in the noble metal...
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WO/2002/090247A1 |
A shift converter (16) in a fuel processing subsystem (14, 16, 18) for a fuel cell (12) uses an improved catalyst composition (50) to reduce the amount of carbon monoxide in a process gas for the fuel cell (12). The catalyst composition ...
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WO/2002/083563A1 |
The invention concerns alumina pellets, obtained by dehydrating aluminium hydroxide or oxy-hydroxide, sintering the alumina thus obtained, subjecting the pellets to hydrothermal treatment and calcining, characterised in that: they have a...
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WO/2002/081406A1 |
A silicon carbide based porous article comprising silicon carbide particles (1) as an aggregate and metallic silicon (2), characterized in that the silicon carbide based porous article has an average pore diameter 0.25 times or more the ...
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WO/2002/081083A1 |
The invention concerns a catalyst support comprising a monolithic body (1) with a first network of channels (2). The invention is characterised in that the support comprises at least an additional network of channels (3) in an arrangemen...
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WO/2002/076908A1 |
A porous silicon nitride article which is prepared by nitriding a formed article containing metallic silicon as a primary component and subjecting the nitrided article to a heating treatment at a temperature higher than that for the abov...
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WO/2002/076909A1 |
A porous silicon nitride article (5) which is prepared by nitriding a formed article containing metallic silicon (3) as a primary component, characterized in that the silicon nitride article has a porous structure having an average pore ...
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WO/2002/076579A1 |
A honeycomb structural body, comprising a plurality of honeycomb segments (1) of honeycomb structure partitioned by partition walls to form a large number of axially passing through-holes connected integrally with each other on the surfa...
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WO/2002/074510A1 |
The invention relates to a method of producing extruded honeycomb bodes (1) that have channels (2), especially for use as catalyst substrates for purifying exhaust gases of an internal combustion engine. Said channels (2) are defined by ...
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WO/2002/074760A1 |
A process for producing 5-methylbutyrolactone from levulinic acid utilizing an optionally supported metal catalyst is described. The catalyst has both a hydrogenation and a ring-closing function.
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WO/2002/070132A2 |
Microspheroidal particles, suitable as fluidized bed catalyst supports, are prepared by incorporating a portion of small, preferably recycled, particles into a slurry of inorganic oxide sol and inorganic particles which is spray dried to...
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WO/2002/064541A1 |
A siliceous support for use in a catalyst for producing a lower aliphatic carboxylic acid ester by reacting a lower olefin with a lower aliphatic carboxylic acid in a gas phase, which has a silicon content of from 39.7 to 46.3% by mass o...
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WO/2002/062726A1 |
A honeycomb structure having a number of flow cells which are separated from one another by partition walls and pass through in the direction of axis, characterized in that it comprises refractory particles as aggregates and one or more ...
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WO/2002/060851A1 |
The invention relates to a method for cleaning crude terephthalic acid by means of catalytic, hydrogenating aftertreatment using a catalyst material containing at least one hydrogenation metal applied to a carbon carrier consisting of ca...
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WO/2002/057012A1 |
A catalyst element comprising a carrier and, carried thereon, a catalyst layer containing an alkali metal and/or an alkaline earth metal, characterized in that at least one alkali metal and/or alkaline earth metal is caused to be present...
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WO/2002/055192A1 |
The invention concerns a catalyst containing at least a silica-alumina, said silica-alumina having the following characteristics: silica SiO¿2? weight content ranging between 10 and 60 wt. %, Na content less than 300 ppm by weight, a to...
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WO/2002/053286A2 |
The invention pertains to a hydroprocessing catalyst suitable for the conversion of heavy hydrocarbon oils, which comprises 7-20wt.% of Group VI metal, Calculated as trioxide, and 0.5-6 wt.% of Group VIII metal, calculated as oxide, on a...
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WO/2002/047805A2 |
The invention relates to a process for the catalytic partial oxidation of a hydrocarbonaceous feedstock, wherein a feed mixture comprising the hydrocarbonaceous feedstock and a molecular-oxygen containing gas is contacted with a catalyst...
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WO/2002/042210A2 |
A newly discovered phase of aluminum trihydroxide and supports and catalysts made therefrom. This invention also relates to methods of producing this new phase of aluminum trihydroxide and catalysts made therefrom, and to a method for im...
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WO/2002/040156A2 |
A metallic catalyst carrier 2 has good productivity and improves the exhaust performance by causing the flow of exhaust gas therein to become turbulent, without causing tearing, cutting, and warping of its honeycomb-structure. The metall...
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WO/2002/034386A1 |
The invention relates to a support for catalysts, having a physisisorbed water content of at least 2.5 wt. %. The invention also relates to a method for producing heterogeneous catalysts containing said support, and the use of said catal...
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WO/2002/030567A1 |
A honeycomb structural body, wherein a reinforcement part having cordierite powder carried thereon is formed at the end face of at least one opening of a base material of cordierite honeycomb structure, whereby an wear resistance at the ...
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WO/2002/028775A1 |
The present invention provides a macroporous foam comprising microporous zeolite or the related microporous molecular sieves and preparation thereof, which comprises dipping an amino group-releasable polymeric template having a sponge or...
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WO/2002/011869A2 |
ABSTRACTMethods and apparatus are taught for selectively oxidizing carbon monoxide in a source of gas containing carbon monoxide and hydrogen. A gas containing carbon monoxide and hydrogen is fed into a membrane reactor (10, 50, 60) capa...
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WO/2002/009870A2 |
The present invention pertains to a hydroporcessing catalyst which comprises at least one metal component of Group VIB and/or Group VIII on a carrier comprising silica-alumina, the silica-alumina carrier having a ?29¿Si-NMR spectrum whe...
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WO/2002/007883A2 |
A method of treating an untreated catalyst support includes contacting an untreated catalyst support which is partially soluble in an aqueous acid and/or a neutral aqueous solution with a modifying component precursor of the formula Me(O...
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WO/2002/004699A1 |
A method has been developed for surface modifications of high temperature resistant alloys, such as FeCrAl alloys comprising 1,5-8,0 weight % Al, in order to increase their resistance to corrosion at high temperatures. Coating it with a ...
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WO/2001/087800A1 |
The invention relates to a method for producing porous inorganic solids on the basis of an aqueous dispersion of particles that are composed of a polymer and finely divided inorganic solids.
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WO/2001/087593A1 |
A composite material comprising a light-transmittable plate member (22), a transparent metal thin film (24) formed on the surface of the plate member and, formed on the surface of the transparent metal thin film (24), a hydrophilic funct...
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WO/2001/077059A2 |
A method for producing esters, carboxylic acids and mixtures thereof includes contacting, under carbonylation conditions, lower alkyl alcohols, ethers, lower alkyl alcohol derivatives and mixtures thereof and carbon monoxide with a catal...
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WO/2001/077053A2 |
A catalyst in carbonylation processes for producing esters, carboxylic acids, and carboxylic acid anhydrides from lower alkyl alcohols, ethers, esters, alcohol producing derivatives. The catalyst includes a catalytically active metal sel...
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WO/2001/070373A1 |
An exhaust gas purifying filter which uses as a filtering layer partition walls dividing through holes and formed by sealing one ends of specified through holes and the other ends of the remaining through holes of a honeycomb structure c...
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WO/2001/060741A1 |
Thermally integrated monolith catalysts active for catalyzing the oxidative conversion of methane to CO and H¿2? are disclosed. The composition and multi-layer configuration facilitates heat balancing between exothermic and endothermic ...
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WO/2001/056926A1 |
An alumina composition capable of being widely changed with controllability with respect to specific surface area, pore volume and pore diameter distribution, which is prepared by a method characterized in that it comprises providing an ...
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WO/2001/051203A1 |
The inventive silica-rich carrier is used for preparing catalysers and can be used for other techniques: for producing fibre-optical materials, filters etc. The carrier has a specific structure which is characterised by a range of announ...
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WO/2001/049409A1 |
Zeolite based material and a method for making the zeolite, comprising a zeolite having a silica/alumina ratio of at least 300 and a surface area of 250 m?2¿/g and no greater than about 20 parts, by weight, of a silica binder. The combi...
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WO/2001/049599A2 |
An improved vapor phase deposition method for the preparation of single walled carbon nanotubes on an aerogel supported metal catalyst. The total yield of single walled carbon monotubes often is at least about 100 % as shown by curves (a...
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WO2000041808A9 |
Compositions including oxycarbide-based nanorods and/or carbide-based nanorods and/or carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including oxycarbide-based nanor...
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WO/2001/049440A1 |
The aim of the invention is to produce a thin porous layer, with a defined porosity and, also, a high strength. Said aim is achieved, whereby such a layer with open porosity is produced from a mixture, comprising a sinterable powder with...
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WO/2001/047634A1 |
Zeolite/alumina composite, and a method for making, the composite for use as a catalyst substrate or catalyst carrier and comprising zeolite having a silica/alumina ratio of greater than 300 and gamma alumina having a specific surface ar...
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WO/2001/045839A1 |
Porous composite particles are provided which comprise an aluminum oxide component, e.g., crystalline boehmite, and a swellable clay component, e.g., synthetic hectorite, intimately dispersed within the aluminum oxide component at an amo...
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WO/2001/045838A1 |
Porous composite particles are provided which comprise an aluminum oxide component, e.g., crystalline boehmite having a crystallite size of from about 20 to about 200 Angstroms and additive component residue, e.g., silicate, phosphate, o...
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WO/2001/019514A1 |
A process of making a metal aluminate catalyst support by incorporating, preferably impregnating, alumina, preferably gamma alumina, with a metal component to thereby provide a metal-incorporated alumina which is then calcined under a ca...
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WO/2001/019561A1 |
The invention relates to the joining of a support matrix of a honeycomb (4), especially a catalyst support body, on at least one end face; said support matrix consisting of at least partially structured layered or wound metal sheets and ...
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