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WO/1994/026406A1 |
The invention concerns a method for the preparation of aerogels by the sub-critical drying of inorganic or organic hydrogels or lyogels, the invention using dielectric drying techniques.
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WO/1994/026412A1 |
A gas-cleaning catalytic unit for use in cleaning exhaust gases from small internal combustion engines, comprises an open mesh knitted or woven fabric (10) produced from heat-resistant metal wire and shaped to a pack of predetermined for...
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WO/1994/020423A1 |
In a catalytic treatment process for effluents containing organic and inorganic compounds, a noble metal catalyst on a support is used, preferably a support produced according to the sol-gel process.
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WO/1994/020203A1 |
Described is a method of producing spherical particles made from inorganic oxides by sol/gel conversion in which a sol is sprayed upwards from below into a reaction zone containing a reactant gas in such a way that the sol does not split...
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WO/1994/016811A1 |
A highly microporous adsorbent material is formed as a composite of a natural or synthetic clay or clay-like mineral matrix intercalated with an active carbon. The mineral is prepared and selected to have a selected interlayer spacing be...
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WO/1994/013399A1 |
In order to provide a temperature- and acid-resistant catalyst carrier based on a gas-pervious carrier body and a porous surface layer having a high content of silicic acid, while dispensing with a washcoat, the carrier body and the surf...
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WO/1994/013608A1 |
The fluorine content of an acyclic saturated compound of the formula CnFaXb having at least one carbon with at least two fluorine substituents (wherein each X is independently selected from C1 and Br, and wherein n is 1 to 4, a is 2 to 1...
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WO/1994/010715A1 |
A platinum-rhodium-iron catalyst composed of about 40 atom % to about 60 atom % platinum, about 10 atom % to about 20 atom % rhodium, and about 20 atom % to about 50 atom % iron maintains a mass activity of at least about 40 mA/mg platin...
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WO/1993/017786A1 |
The description relates to a particularly abrasion-resistant catalyst carrier of special activated aluminium oxide. The aluminium oxide consists of either the ''gamma'' or the ''kappa'' modification and has no delta modification, or it c...
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WO/1992/018245A1 |
An electrically heatable honeycomb body has an axis (1) surrounded by an inner region (2), an outer region (3) at a distance from the latter and a stack consisting of at least one metal sheet (4, 5) located between the inner region (2) a...
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WO/1992/012792A1 |
Shaped aluminium oxyhydroxide articles suitable for use as catalyst supports are made by mixing powder with an aqueous solution of a cationic alumina compound and shaping the resulting paste. The supports may be used for alkane isomerisa...
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WO/1992/009364A1 |
The invention relates to a process for making mouldings with a porous surface and close surface pore radius distribution and the use of these mouldings as bearers for securing or immobilising indicators, catalysts, a bio-mass or parts of...
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WO/1991/016265A1 |
This invention concerns the synthesis of high porosity, high specific surface metallic oxides by heating a metallic salt in a molten salt medium consisting of at least one oxidizing alcaline salt. The metallic oxides obtained are useful ...
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WO/1991/005089A1 |
In one aspect, a fibril aggregate that includes a multiplicity of carbon fibrils whose longitudinal axis have substantially the same relative orientation, each of the fibrils characterized as having graphitic layers that are substantiall...
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WO/1991/001807A1 |
A honeycomb body with internal inflow edges, in particular a catalyst support body, comprises at least partially structured metal sheets (1, 10) which form the walls of a plurality of fluid-conducting channels. At least part of the metal...
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WO/1988/000171A1 |
A process for producing chlorine by oxidizing hydrochloric acid with molecular oxygen, which comprises using a crystalline chromium catalyst prepared by providing a relatively large quantity of chromium oxide on a silicon oxide carrier w...
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WO/1985/004821A1 |
An improved method for converting methane to higher hydrocarbon products by contacting a gas comprising methane with a contact agent at a selected temperature, the agent comprising a reducible metal oxide, a support of oxides of silicon ...
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WO/1985/003239A1 |
Solid sol particles having a surface area of at least 100 m2/g have a surface coating of a metal or a sparingly soluble metal compound, in particular a catalytically active substance, and are optionally coherent as aggregates. The solid ...
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WO/1980/000704A1 |
The organometallic inorganic polymers of this invention have organo groups covalently bonded to pentavalent metal atoms, such as phosphorus, arsenic and antimony. The pentavalent metal atoms are, in turn, covalently bonded by an oxygen l...
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WO/1980/000703A1 |
The solid organometallic inorganic polymers of this invention have organo groups covalently bonded to phosphorus atoms. The phosphorus atoms are, in turn, covalently bonded by an oxygen linkage to tetravalent metal atoms. When formed in ...
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JP2024046526A |
The present invention provides a plug for a hollow part of a winding core that does not impede light-off performance and shape maintenance of the plug. [Solution] In a metal honeycomb body constructed by winding a flat foil and a corruga...
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JP2024045347A |
An object of the present invention is to provide a catalyst carrier and an induction heating catalyst system that can effectively utilize a catalyst during induction heating. [Solution] A columnar shape having an outer circumferential wa...
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JP7458875B2 |
To provide an economically advantageous method for producing silica-coated titanium oxide or silica-coated zinc oxide, in which a surface of titanium oxide or zinc oxide is treated with silica by a simple method using an organosilicon co...
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JP7457702B2 |
A three-dimensional porous catalyst, catalyst carrier or absorbent monolith of stacked strands of catalyst, catalyst carrier or absorbent material, composed of alternating layers of linear spaced-apart parallel strands, wherein the stran...
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JP7451533B2 |
The purpose of the present invention is to provide a zirconia-based composite oxide for making it possible to form a catalyst layer which, despite having a reduced thickness, has a sufficient quantity of catalyst to function in exhaust g...
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JP7445674B2 |
Provided are an electrically heated carrier and an exhaust gas purification device in which the occurrence of cracks due to the difference in thermal expansion between a metal electrode and ceramics of a honeycomb structure can be satisf...
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JP7435911B2 |
This method for producing a honeycomb structure molded body has a mixing step (S1) and a molding step (S2). The mixing step (S1) involves preparing a clay material by mixing porous silica which has a prescribed water absorption property,...
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JP7434330B2 |
A packing member for use in a packed bed, preferably a support for use as a catalyst support in a packed bed reactor. The packing member includes ceramic material and has a geometric surface area per volume of ≥0.7 cm2/cm3 and a side c...
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JP7430776B2 |
An electrically heating converter includes: a pillar shaped honeycomb structure made of conductive ceramics, including: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition ...
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JP7428681B2 |
An exhaust gas purification catalyst 100 comprises: a complex oxide carrier 110 including an OSC material 111 and a first alkaline earth metal oxide 112; and a second alkaline earth metal oxide 120 supported on the complex oxide carrier ...
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JP2024013471A |
An object of the present invention is to more easily suppress excessive temperature rises and local temperature rises to optimize heating temperature. [Solution] A catalyst carrier that generates heat by microwave irradiation is formed a...
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JP2024013195A |
The present disclosure provides an exhaust gas purification catalyst with improved catalytic activity. [Solution] The exhaust gas purification catalyst of the present disclosure contains a metal oxide carrier and Rh particles supported o...
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JP7418849B2 |
The invention provides a perovskite-type oxynitride hydride which can be easily synthesized by achieving both improvement in catalytic performance and stabilization when used as a support of a catalyst. The oxynitride hydride is represen...
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JP7416938B2 |
Disclosed are a carbon-based carrier that is capable of increasing catalyst activity as much as that of a porous type while having excellent durability unique to that of a solid type, a catalyst comprising same, a membrane-electrode asse...
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JP2024001112A |
The present invention provides a catalyst . [Solution] The carrier of the calcined catalyst of the present invention is an alumina carrier (Al2O3) 1~5 wt% TiO2containing an alumina support coated with TiO2is uniformly dispersed in the al...
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JP7406416B2 |
A honeycomb structure comprising a pillar-shaped honeycomb structure body having a porous partition wall disposed so as to surround a plurality of cells, whereinlet that A denotes an absolute value of open frontal area (%) in a plane of ...
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JP7405647B2 |
To provide a novel material including carbon black particles.A carbon black pressure molding includes carbon black particles that are coated at least partially.SELECTED DRAWING: Figure 6
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JP7405780B2 |
The present invention relates to processes for producing metal foam bodies, in which metal-containing powders that may comprise aluminium and chromium or molybdenum are applied to metal foam bodies that may comprise nickel, cobalt, coppe...
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JP2023551975A |
A packing element for use in a packed bed is described. The filling element includes a ceramic material and further includes a surface structure on the outer surface of the filling element. The filling element passes through the filling ...
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JP7396596B2 |
[Problem] To provide an exhaust gas purification device using a catalyst-carrying substrate: which can be placed in both a linear portion and a curved portion of an exhaust passage for exhaust gas so that the function of a catalyst can b...
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JP2023551575A |
A ceramic article, such as a catalyst support, is disclosed that includes a continuous matrix and a dispersed phase distributed within the matrix as a plurality of discrete regions. The matrix and discrete regions have different dye pene...
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JP7392109B2 |
This electrically heated carrier comprises: a ceramic columnar honeycomb structure including an outer circumferential wall, and a partition wall that is disposed inside the outer circumferential wall so as to partition and form a plurali...
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JP2023549267A |
A process for making silica-alumina compositions with improved properties is provided. The step includes (a) mixing an aqueous solution of a silicon compound, an aqueous solution of an aluminum compound and an acid while maintaining the ...
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JP7383601B2 |
The invention relates to a method for producing open-pore molded metal bodies which have a modified surface. The surface of an open-pore molded metal body said molded body being used as a semi-finished product, is coated with particles o...
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JP7381381B2 |
A method for inspecting a pillar-shaped honeycomb structure including the steps of: imaging a pattern of transmitted light from the second end face according to arrangement of the plugged portions of first cells and second cells, with a ...
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JP2023545270A |
The present disclosure provides a catalyst substrate that includes a) a ceramic material and b) a magnetic material, where the magnetic material can be inductively heated in response to an applied alternating magnetic field. The magnetic...
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JP7368456B2 |
The present invention provides: an inorganic porous carrier that can be used to increase the purity of nucleic acid in a production thereof, and that comprises a linker represented by general formula (1), wherein a Survival Bone Rate (SB...
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JP7368455B2 |
The present invention provides: an inorganic porous carrier that can be used to increase the purity of nucleic acid in a production thereof, and that comprises a linker represented by general formula (1) and has mode diameter of 0.04 µm...
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JP7368614B2 |
A pillar shaped honeycomb structure includes: an outer peripheral wall; and porous partition walls disposed on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells, each of the cells penetrating f...
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JP2023153789A |
To provide a modified silica support used as a catalyst for producing ethylenically unsaturated carboxylic acids or esters, and to provide a method for producing the same.In a modified silica support for a catalyst comprising a silica su...
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