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JP2005224660A |
To provide a catalyst which can stably keep a high conversion rate of acrolein over a long period of time by lowering the temperature of a hot spot and preventing the reaction efficiency from being deteriorated owing to the thermal degra...
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JP2005220815A |
To provide an exhaust emission control device for an internal combustion engine, suppressing the accumulation of exhaust suspended matters on a carrier.A first layer 113 including a catalyst component is formed on the carrier excluding a...
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JP2005213142A |
To provide such a photocatalyst coating on a substrate as can be manufactured industrially and offers the clear, dirt-preventive action on the substrate.The substrate having a coating of photocatalystic characteristics coated on at least...
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JP3680790B2 |
To prevent damage to a catalyst carrier 13 due to movement of foreign matters such as welding spatters on an end face of the catalyst carrier 13. The end face on an exhaust flow direction upstream side of the catalyst carrier 13 is dispo...
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JP3679376B2 |
To surely hold a columnar body by properly press fitting it and a buffer member into a cylindrical member, and to integrally form a bottle neck part continuing toward an opening end with a smooth surface. There is formed a holding part 4...
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JP2005199275A |
To provide a photocatalyst coating on a base material, exhibiting a remarkable anti-staining action to the base material and capable of being industrially produced.A base material coated is a glass, a ceramic or a glassy ceramic, on at l...
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JP2005194904A |
To provide a catalyst retaining mat with high tensile strength, high bending strength, a high recovery rate after calcining and a high retention of a catalyst carrier even if limiting a binder consumption to the minimum.A catalyst retain...
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JP2005194917A |
To increase the accuracy of the installation position of a holding mat relative to a ceramic catalyst carrier by automatizing a large number of assembling steps to increase operation capability.This mat installation device comprises a pr...
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JP3674694B2 |
To provide a tandem catalyst converter which is improved in exhaust emission control performance by tandem arrangement and prevents the press-in defect or damage of a carrier holder in the operation of pressing a plurality of catalyst ca...
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JP2005520682A |
The invention relates to a passivated hydrogenation catalyst that is embedded in a primary amine, a derivative thereof, and/or a nitrile, the process to make such catalysts, as well as the use of such catalysts in a hydrogenation process...
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JP2005186017A |
To enhance the positional precision when a holding mat is integrated with a ceramic catalyst carrier by automating many integration steps to improve the working efficiency.This apparatus is provided with: a pushing-in unit 7 arranged on ...
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JP2005519973A |
A hydroformylation process is provided that involves reacting a compound having at least one olefinic carbon-to-carbon bond with hydrogen and carbon monoxide in the presence of a cobalt catalyst and a sulfur-containing additive which sup...
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JP3667684B2 |
To provide an assembling method capable of suppressing effect of variation of external shape dimensions of members such as a cell structure constructing an assembly and easily providing a suitable retention condition eliminating a damage...
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JP2005171829A |
To provide a catalytic converter having a proper clearance between a catalyst and an outer cylinder so that the catalyst is stably held, and to provide its manufacturing method.In the catalytic converter 10, the catalyst 11 constituted b...
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JP2005171830A |
To provide a manufacturing method of a catalytic converter for disposing a catalyst and an outer cylinder with a suitable space therebetween and thereby to stably hold the catalyst.In the manufacturing method of a catalytic converter, th...
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JP3664201B2 |
To suppress poisoning by SOx and to improve catalytic function after use over a long period of time without reducing high carrying efficiency by using a carrier, in which at least one selected from among titania, silica and zirconia has ...
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JP2005155413A |
To provide an exhaust emission control device preventing adhesion and accumulation of material in vicinity of exhaust gas flow inlet end surface of a catalyst carrier and preventing clogging of catalyst carrier, and a vehicle excellent i...
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JP2005517625A |
A composite nanoparticle material comprising a plurality of cores and a plurality of shells. At least one of the cores is encapsulated by one of the shells. An oxygen storage material comprising a plurality of oxygen storage catalyst cor...
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JP2005144402A |
To provide a technique capable of producing a synthetic gas by using a stable catalyst while a relatively low-cost metal is used as active ingredient, and without producing any carbon deposition to proceed smoothly with the partial oxida...
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JP2005512785A |
A process for preparation of a selective hydrogenation catalyst including preparing a catalyst material containing palladium and preferably additional additive materials, prereducing the palladium material and the additional additive mat...
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JP2005113923A |
To easily and properly press a columnar body and a shock absorbing member to be securely held into a cylindrical member.After the shock absorbing member 3 is wound around the columnar body 2, the columnar body is arranged with its axis l...
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JP3640130B2 |
To further improve the durability by increasing the inhibitive effects upon the poisoning of an occlusion material by sulfur and at the same time, inhibiting the sintering of a catalytic noble metal, in an occlusion reduction-type cataly...
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JP2005074398A |
To provide a method for manufacturing a catalytic apparatus, by which a holding mat wound around the outer periphery of a monolithic catalyst-deposited carrier is not hindered from being expanded uniformly when the holding mat is housed ...
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JP2005074243A |
To provide a contamination controlling element-holding material which has excellent canning workability, from which a contamination controlling element is not separated during the canning work and which has excellent heat resistance, sur...
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JP2005055270A |
To provide an exhaust gas recombiner where a catalyst cartridge can be easily replaced and a seal in the interstice between an inside support and the cartridge can also be replaced easily.The exhaust gas recombiner is characterized in th...
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JP3618761B2 |
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) fill...
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JP3595622B2 |
To provide a catalyst which has a wear strength against abrasive dust contained in an exhaust gas without deteriorating a catalytic activity. A molded catalyst for removing nitrogen oxide contained in an exhaust gas by reduction is a mol...
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JP3593317B2 |
A microencapsulated Group VIII metal catalyst which is stable even in air, easy to recover, and reusable is disclosed. It comprises a polymer with side chains containing an aromatic substituent, and a metal catalyst comprising a Group VI...
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JP2004533913A |
The present invention relates to enhancement of the cycle life of a zinc chromium based catalyst used in the synthesis of 2-methylpyrazine by increasing the reaction temperature step-wise, starting from a low temperature, while monitorin...
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JP2004283823A |
To provide an exhaust gas purification system having a high removal rate of NOx.This exhaust gas purification system 1 is provided with a plasma reactor 3 and an NOx selectively reducing catalyst unit 4 having an NOx selectively reducing...
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JP2004277592A |
To provide a technique for preventing deposits from being caused when storing an ethylene glycol solution of a titanium compound as a catalyst solution for a long period.The catalyst solution is obtained by adding an organic acid in an a...
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JP2004278497A |
To improve productivity by eliminating the welding part and facilitate forming by simplifying the shape of a pipe section.The exhaust device is provided with a pipe part 193A composing a part of an exhaust pipe connecting to an engine, a...
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JP2004528961A |
A combination comprising a bed of a particulate copper-containing catalyst bed, a guard bed in the form of shaped units formed from lead carbonate and/or basic lead carbonate particles having an average (by volume) particle size below 10...
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JP2004528176A |
The present development is a transition metal-based catalyst having a high surface area, a smooth, homogeneous surface morphology, an essentially uniform distribution of cobalt throughout the support, and a small metal crystallite size. ...
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JP3566361B2 |
PURPOSE: To produce fine resin particles contg. a metallic catalyst for a hydrosilylation reaction having high catalytic activity at a high temp. above the glass transition temp. of the resin and considerably controlled catalytic activit...
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JP2004523459A |
A molybdenum carbide compound is formed by reacting a molybdate with a mixture of hydrogen and carbon monoxide. By heating the molybdate powder from a temperature below 300° C. to maximum temperature 850° C., a controlled reaction can ...
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JP3545199B2 |
To provide an active carbon catalyst which reveals a high catalytic activity through effectively making pores of a desired size range water-repellent. This active carbon catalyst adsorbs sulfur oxide through coming into contact with an e...
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JP2004197752A |
To provide a gripping material for an exhaust emission control device, which can be wound on the periphery of an exhaust gas purifying honeycomb catalyst to be fixed to a catalyst casing.An alumina fiber precursor obtained by spinning so...
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JP2004195279A |
To fill a fixed bed multi-tube type reactor with a catalyst while minimizing the powdering and collapse of the catalyst at the time of filling without exerting influence on a catalyst filling work time when the reaction tubes of the reac...
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JP2004181357A |
To provide a practical catalyst which suppresses the stripping of gold fine particles and has excellent durability in a gold fine particle catalyst for liquid phase reaction.When the catalyst carrying the gold fine particles is used in t...
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JP2004174396A |
To provide a method of preserving a catalyst which can keep an olefin oxide selectivity after its preservation for a long period of time.In this method, the olefin oxidation catalyst, in which active components including silver and an al...
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JP2004516918A |
A process of enhancing both the activity and the methane selectivity of a Dispersed Active Metal ("DAM") hydrogenation catalyst is disclosed wherein the DAM undergoes low temperature oxidation in a slurry phase to form an oxidized cataly...
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JP2004143956A |
To surely prevent the relative movement of a honeycomb body and a case.A wire rod 30 is embedded in a mat 3, and a locking claw 11 locked on the wire rod 30 is formed in at least one of an outer peripheral surface of the honeycomb body 1...
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JP2004143973A |
To provide a catalytic converter and its manufacturing method for eliminating a press-in process of an assembly of a catalyst carrier and a mat to a cylindrical casing.(1) This catalytic converter 1 has the assembly 10 of the catalyst ca...
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JP2004138049A |
To provide a means for improving the performance of an exhaust gas after-treatment system in a combustion system.An additive containing fuel and a manganese compound is supplied into the combustion system. The fuel is burned in a combust...
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JP2004136199A |
To provide a photocatalyst body which decomposes polluted substances in a polluted water with a high efficiency and carries out solid-liquid separation easily, and also to provide water purification equipment using the same.The photocata...
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JP3518251B2 |
To obtain a photocatalyst film of titanium oxide particle dispersion type exhibiting photocatalyst activities to be durable for practical use by slight light quantity even when the crystallizability of titanium oxide is low and also prov...
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JP2004510577A |
The invention provides a microstructured, self-cleaning, catalytically active surface with elevations and depressions, comprising a catalytically active material in the depressions. The invention additionally provides a process for produ...
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JP2004098059A |
To provide a catalyst carrier with a crystalline alumina fiber mat wound thereon in such a manner that the charged bulk density of the crystalline alumina fiber mat after the forcible feeding falls in the range of 0.25 to 0.50g/cm3, and ...
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JP2004100598A |
To provide an exhaust emission control device of an engine that can be easily welded to an exhaust pipe and can stably maintain the junction state for a long time, and to provide a joint pipe for controlling emissions that has the exhaus...
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