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WO/2001/015802A1 |
A catalyst structure and method of making and using the same in a ketone production process. The catalyst structure includes a substantial theorical monolayer of catalyst on a catalyst support to optimize ketone yield and weight hourly s...
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WO/2001/016050A1 |
A mullite composition is comprised substantially of mullite grains that are essentially chemically bound wherein the composition h as at least two adjoining regions that have substantially different microstructures. The composition may b...
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WO/2001/012550A1 |
The present invention pertains to Mg-Al anionic clay having 3R¿2? stacking. This new polytype of anionic clay has a three-layer repeat, but it has a different interlayer arrangement than the conventional 3R¿1?, hydrotalcite. Said new p...
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WO/2001/012570A1 |
The present invention is directed to a process for the preparation of crystalline anionic clay-containing bodies from sources comprising an aluminium source and a magnesium source comprising the steps of: a) preparing a precursor mixture...
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WO/2001/012551A2 |
The present invention pertains to a quasi-crystalline boehmite containing additive in a homogeneously dispersed state. Suitable additives are compounds containing elements selected from the group of alkaline earth metals, alkaline metals...
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WO/2001/012545A1 |
The present invention is directed to a process for the preparation of smectite type clays by hydrothermal treatment of a mixture containing a crystalline alumina, a divalent metal source, and waterglass. With the process according to the...
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WO/2001/012319A1 |
The present invention is directed to a process for the preparation of crystalline Mg-Al-Si-containing clay-containing bodies from sources comprising an aluminium source, a magnesium source, and a silicon source, comprising the steps of: ...
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WO/2001/010550A1 |
A supported ruthenium oxide catalyst selected from the group consisting of (1) a supported ruthenium oxide catalyst comprising TiO¿2? which contains the rutile crystal form, and which is obtained by calcination at a temperature of at le...
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WO/2001/009033A1 |
A process for the production of synthesis gas from light hydrocarbons such as methane includes the net catalytic partial oxidation of a hydrocarbon feedstock by contacting a feed stream comprising the hydrocarbon feedstock and an O¿2?-c...
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WO/2001/009268A1 |
A hydrogenation catalyst which is sulfur tolerant and which includes from about 0.1 to about 1 percent platinum by weight and from 0.2 to about 2 percent by weight palladium on a predominantly theta alumina carrier. Also disclosed is a p...
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WO/2000/078451A1 |
A silicon-containing ceramic carrier for a catalyst, characterized in that the surface of each particle thereof is coated with an alumina thin film. The carrier is prepared by a method comprising providing a carrier having an oxide film ...
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WO/2000/078704A1 |
The invention relates to selected cyclohexane-1,3- and 1,4-dicarboxylic acid esters, to their use as plasticizers in synthetic materials and to their production. The inventive method of production comprises hydrating the corresponding is...
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WO/2000/075195A1 |
A method for hydrophilization and/or surface area enlargement of a porous base matrix comprising on its inner and/or outer surfaces a polymer (P') carrying nucleophilic groups X'. The method is characterised in (a) ethoxylating a plurali...
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WO/2000/074841A1 |
The invention relate to supported compositions containing gold and/or silver particles and Ti-containing, organic-inorganic hybrid materials. The invention also relates to a method for producing said compositions and to their use as a ca...
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WO/2000/067880A1 |
In order to produce a catalytically active substance, titanium dioxide is processed together with an oxide or with a dissolved compound of tungsten and/or vanadium to form a moldable material. The moldable material is dried to form a sha...
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WO/2000/067904A1 |
The invention concerns a compound and its use as NO¿x? trap in the treatment of exhaust gases. Said compound is characterised in that it comprises a combination of: a first composition comprising a support and an active phase, the activ...
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WO/2000/064580A1 |
The invention concerns a composition usable as NOx trap in the treatment of exhaust gases. Said composition comprises a support and an active phase, and is characterised in that the active phase is based on manganese and at least another...
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WO/2000/063116A1 |
Industrial methods for producing carbonyl dichloride consist of a two step process with reactors that are connected in series, an exact fine tuning of the reaction parameters and with a high degree of consistency with regard to reaction ...
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WO/2000/056790A1 |
A method for the manufacture of a support matrix exhibiting amino groups I, possibly in acylated form, comprising the step of polymerising one or more monovinyl monomers (monomer I) with one or more di-; tri- or polyvinyl monomers (monom...
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WO/2000/044493A1 |
The present invention relates to a zirconium, rare earth containing composition comprising zirconium, cerium, neodymium and praseodymium components and the use of this composition in a catalyst composition useful for the treatment of gas...
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WO/2000/043337A1 |
A process of selectively hydrogenating an impurity in a feed containing hydrocarbons, such as, for example, an impurity selected from the group consisting of acetylene compounds, dienes, and mixtures thereof in a feed containing at least...
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WO/2000/037176A1 |
A method of making frangible, spray dried agglomerate catalyst supports is provided, e.g. of silica gel, which possess a controlled morphology of microspheroidal shape, preferably a rough, scabrous appearance, and interstitial void space...
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WO/2000/034202A1 |
Disclosed is sintered ceramic article that exhibits a primary crystalline phase of cordierite and analytical oxide composition, in weight percent, of 49-53 % SiO¿2?, 33-38 % Al¿2?O¿3?, 12-16 % MgO and exhibits a coefficient of thermal...
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WO/2000/032311A1 |
A substrate, such as a plate or catalyst monolith, may be coated with a metal oxide, particularly with a zeolite, by treating the substrate with a polyectrolyte to form a coating, and then depositing the coating of metal oxide from an aq...
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WO/2000/030995A1 |
The present invention is directed at sintered ceramic articles exhibiting a crystalline phase assemblage comprising, by weight, of 65-95 % cordierite and 5-35 % of a secondary phase selected from the group consisting of mullite, magnesiu...
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WO/2000/030739A1 |
Operation of a diesel engine with low particulate emissions is achieved through the use of a catalyzed particulate oxidizer (14) designed to cause a large number of impacts of particulates with catalyzed surfaces. The catalyzed particula...
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WO/2000/031011A1 |
Production of unsaturated aldehydes by the aldol condensation of straight chain aldehydes, e.g. butyraldehyde, by contacting the aldehyde in the vapour phase with a particulate catalyst comprising at least one basic alkali metal compound...
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WO/2000/025919A1 |
A matrix for use in a method of photocatalytically decomposing organic compounds in a fluid includes a fiber glass mat substrate carrying a photocatalytic material. The fiber glass mat is made of randomly oriented glass fibers that have ...
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WO/2000/023377A1 |
The invention concerns a novel method for preparing MEL-type titanium silicalite, the resulting product and its different uses in the field of catalysis. The inventive method for preparing MEL-type titanium silicalite is characterised in...
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WO/2000/023185A1 |
The invention concerns a novel method for preparing an MFI-titanozeosilite, the resulting product and its different uses in the field of catalysis. The inventive method for preparing an MFI-type titanozeosilite is characterised in that i...
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WO/2000/021905A1 |
This invention relates to processes for the assembly of three-dimensional structures having periodicities on the scale of optical wavelengths, and at both smaller and larger dimensions, as well as compositions and applications therefore....
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WO/2000/017097A1 |
The invention relates to a method for the selective catalytic oxidation of carbonmonoxide (CO) in H¿2?-rich, CO¿2?- and H¿2?-containing gases in the presence of a noble metal catalyst on an alumina carrier with the addition of air as ...
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WO/2000/015671A1 |
Accordingly, the subject invention provides polymer composition comprising an ethylene homopolymer or an interpolymer of ethylene at least one compound represented by the formula H¿2?C = CHR wherein R is a C¿1? - C¿20?linear, branched...
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WO/2000/015672A1 |
The present invention relates to functionalized catalyst supports that are useful in the formation of supported polymerization catalysts, supported catalysts derived from such functionalized catalyst supports, methods for preparing such ...
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WO/2000/015335A1 |
There is provided a catalyst carrier comprising a refractory inorganic material having a sodium solubilization rate no greater than 5 ppmw/5 minutes. There is further a catalyst comprising a refractory inorganic material carrier having a...
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WO/2000/013789A1 |
The aim of the invention is to produce a catalyst for selectively decomposing N¿2?O in a mixture of nitrous gases which should be able to be used at temperatures ranging from 700 °C to at least 1000 °C without impairing the catalytic ...
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WO/2000/009445A2 |
The invention relates to crystalline boehmitic aluminas whose crystallites comprise exceptional differences of dimensions in the directions of space 020 and 120. The invention also relates to a method for producing the boehmitic aluminas...
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WO/2000/009517A2 |
This invention is directed to an improved process for the preparation of N-(phosphonomethyl)glycine (i.e., 'glyphosate'), a salt of N-(phosphonomethyl)glycine, or an ester of N-(phosphonomethyl)glycine. The process comprises combining an...
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WO/2000/007724A1 |
The present invention provides a process for the preparation of a catalyst composition which comprises, as first cracking component, a zeolite beta, and a second cracking component selected from (i) crystalline molecular sieves having po...
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WO/2000/007723A1 |
The invention pertains to a carrier composition comprising (a) at least 30 wt.% of a synthetic cracking component, based on the total weight of the carrier composition, which comprises oxidic compounds of one or more trivalent metallic e...
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WO/2000/005172A1 |
A method of making mesoporous carbon involves combining a carbon precursor and a pore former. At least a portion of the pore former dissolves molecularly in the carbon precursor. The pore former has a decomposition or volatilization temp...
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WO/2000/003801A1 |
A superacid catalyst is described, based on zirconium sulfate, optionally containing a noble metal, having a porosity ranging from 0.1 to 0.30 cm?2¿/g, consisting of at least 70 % of pores with a diameter ranging from 1 to 4 nm.
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WO1999043430A9 |
This invention relates to an improved catalyst, comprising a carbon support having a noble metal at its surface, for use in catalyzing liquid phase oxidation reactions, especially in an acidic oxidative environment and in the presence of...
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WO/2000/001486A2 |
A catalyst composition is disclosed which includes a p-aramid polymer supporting a catalyst agent. The composition exhibits improved catalytic activity when compared with a similar composition using m-aramid polymer as the support. The c...
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WO/2000/001617A1 |
The invention concerns a novel highly dispersible aluminium hydrate. The invention also concerns the method for preparing said aluminium hydrate which consists in precipitating aluminium hydrate in a reactor without backmixing and prepar...
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WO1999056876B1 |
A novel catalytic material is prepared by dispersing a catalytically active species, e.g., one or more platinum group metals, on a support phase that contains a high porosity, meso-pores high surface area (HPMPHSA) material. The HPMPHSA ...
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WO/1999/058626A1 |
The invention relates to a spherical catalyst composition comprising a Group VI metal component and optionally a Group VIII metal component on a carrier, which catalyst has a particle size of 0.5-7 mm, a total pore volume of 0.5-1.3 ml/g...
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WO/1999/058236A1 |
The invention pertains to a process for preparing spherical oxide particles comprising the steps of shaping a starting material comprising an oxide hydrate into particles of substantially constant length by leading the material to a set ...
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WO/1999/056853A1 |
Electric arc spraying a metal onto a substrate produces an anchor layer on the substrate that serves as a surprisingly superior intermediate layer for a catalytic material deposited thereon. Spalling of catalytic material is resisted eve...
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WO1999026721A9 |
The invention concerns a method which consists in producing a carbon fibre texture with a large surface from a rayon precursor and fixing a catalyst on the texture by impregnation or cation exchange. The carbon fibre texture has a porosi...
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