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JP2003251599 |
To provide a core shell structure having a controlled space therein, a structural body with the core shell structure as a component, and a preparing method therefor.The core shell structure comprises a core 2 formed of nano particles and...
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JP2003245555 |
To provide an improved process for the preparation of an iron-doped ruthenium catalyst supported on carbon, and to provide its use for a selective liquid phase hydrogenation of a carbonyl compound to give a corresponding alcohol.In the p...
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JP3466856 |
To improve durability and carrying efficiency by covering a catalytically active particle, which is exposed to the surface of a support, with the support at a specified ratio of the whole surface area, regarding an exhaust gas purifying ...
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JP2003214156 |
To avoid a generation of temperature distribution in a catalyst carrier.A holding sealant 22 is intervened between the inner peripheral face of a metal shell 12 and the outer peripheral face of the catalyst carrier 21 housed in the shell...
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JP2003206735 |
To provide a catalyst device capable of suppressing the wind erosion of a catalyst body by effectively capturing a solid matter incapable of passing through the catalyst body.A catalyst device is provided with a catalyst carrier 1 equipp...
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JP2003190721 |
To provide an improved catalytic filter material for use in removing contaminants such as NOx from a fluid stream.The catalytic filter material for use in a fluid stream comprises multiple fibers coming from a tow drawn yarn, each compri...
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JP2003170055 |
To provide an exhaust gas cleaning material having high catalytic activity in the combustion of PM (particulate matter) and capable of highly dispersing catalyst particles in order to sufficiently draw out high catalytic activity, and a ...
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JP3433885 |
To further reduce the discharge of particulates by improving heat resistance. This catalyst is composed of the first coating layer 2 carrying Pt 4 and the second layer 3 carrying no Pt 4, and a layer thickness of the first coating layer ...
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JP2003137603 |
To provide thermally tempered glass which has prescribed characteristics as the thermally tempered glass and has a photocatalyst effect in combination and a method of easily and inexpensively manufacturing this thermally tempered glass.T...
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JP2003136019 |
To provide the process of coating a carrier structure by which excellent evenness in the thickness of a coating in the axial direction of the carrier structure can be assured even in the case of using a coating suspension containing a so...
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JP2003129833 |
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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JP2003129832 |
To provide a sealing material of which a sealing layer does not deteriorate at a high temperature and a filling density in the vicinity if a joint does not lower, and which is assembled without damaging the sealing layer.This sealing mat...
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JP2003107047 |
To obtain a gas-concentration detecting element which prevents a drop in catalytic activity due to the thermal coagulation of catalyst particles in a high-temperature use environment, which can maintain a stable output for a long period ...
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JP2003093889 |
To provide a charging equipment that is capable of simply and safely charging a large amount of a granular catalyst into a reactor at a high place.The charging equipment is composed of a liquid passage from the end of an entrance which i...
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JP2003074336 |
To assure a sufficient surface pressure necessary for stably maintaining a purification unit while avoiding the risk of damage to the purification unit and of rupture of a mat in an exhaust emission control device adopting an insert type...
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JP2003062466 |
To provide a catalyst particle that has the molecular sieve action and the high catalytic activity, and to provide a method for manufacturing a derivative of an aromatic compound using the same.The catalyst particle is characterized in t...
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JP2003056337 |
To easily press-fit a metal carrier 2 into an outer cylinder 3 and achieve simultaneous catalyst coating and catalyst tandem for a metal carrier unit for catalyst 1 (1A or 1B) comprising the metal carrier 2 for carrying a catalyst for pu...
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JP2003054922 |
To increase the productivity of carbon nanotubes of high quality. The composite carbon structures that contain carbon-coated catalyst nanoparticles, and that are used in subsequent arc-discharge or laser ablation methods to produce carbo...
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JP2003056339 |
To provide a catalyst carrier holding member capable of easily preventing dislocation between a catalyst carrier and the catalyst carrier holding member in a press-fittingly assembling method of a catalytic converter for exhaust emission...
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JP3399388 |
To improve a hydrocarbon adsorbing function of a plurality of catalyst devices mounted in series in multi-stage in an exhaust pipeline. A temperature rise of a catalyst device 4B in the downstream ca be controlled at a temperature not ov...
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JP3400919 |
To control damage by reducing the contact of exhaust gas flow with a mat, to improve durability, and to obtain a casing with a good peripheral surface shape after the contraction of a diameter by a method in which a casing holding a hone...
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JP2003047848 |
To enhance the resistance of a ternary catalyst 8 to poisoning with phosphorus. A catalyst layer 12 is formed on a honeycomb carrier 11, and the catalyst layer 12 contains a Ce-Zr-Sr double oxide, alumina, catalytic metals, Ba, Sr and Mg...
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JP2003035134 |
To provide a catalytic converter system, which has superior erosion resistance, even if the strength of the catalyst carrier is decreased by thinning the catalyst carrier. A catalytic converter system for purifying exhaust gas is provide...
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JP3394449 |
To provide a thin-walled honeycomb structural body in which the partition of a cell is thin and the honeycomb structural body is lightweight and pressure loss is small and also the outer peripheral part is reinforced so as not to be brok...
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JP2003020939 |
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 dispos...
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JP2003020938 |
To provide a catalyst carrier holding material to be used especially for a catalytic converter provided with heat resistance, high surface pressure holding property in a high temperature region and excellent wind corrosion resistance.Thi...
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JP3389851 |
To further improve NOx removing performance, suppress the poisoning of the NOx absorbing material with sulfur, and improve the durability by controlling the portion of a catalyst bearing layer existing within a specified depth from the s...
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JP2003010694 |
To provide a method for handling an oxidizing agent-containing compo sition not lowered in stability when a lubricant used in a machinery handling the oxidizing agent-containing composition is contaminated into the composition or the lub...
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JP2003010695 |
To preserve a catalyst for manufacturing methacrylic acid in such a state that the lowering of the activity and selectivity of the catalyst is suppressed.The catalyst for manufacturing methacrylic acid, which comprises a heteropolyacid s...
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JP2003003837 |
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 41...
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JP2002361094 |
To suppress the migration of an absorbing agent even at a high temperature, which agent is added into a catalyst layer in a catalyst for cleaning an exhaust gas, and to prevent lowering of cleaning performance of the catalyst after endur...
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JP2002348740 |
To provide a method capable of simply and certainly producing an alumina-silica-based fiber excellent in mechanical strengths. A precursor fiber is produced by using an alumina-silica-based fiber dope for the inorganic salt method as a s...
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JP2002349256 |
To provide a sealing material for holding a catalyst converter whose quality stability is excellent. This sealing material 4 for holding a catalyst converter has an alumina-silica fiber gathering in a mat state as its component and is ar...
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JP2002348665 |
To provide a method for rapidly forming thin film of crystalline titanium oxide. The method for manufacturing a thin film of crystalline titanium oxide on the substrate, which shows a highly photocatalytic activity, with a sputtering met...
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JP2002349255 |
To provide a sealing material for holding a catalyst converter in which initial bearing pressure is high, aged deterioration of bearing pressure hardly occurs and sealing performance is excellent. This sealing material 4 for holding has ...
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JP2002346395 |
To realize a photocatalyst coated structure solving the problems with a normal temperature curable photocatalyst and not generating a problem such as the peeling-off of a coating film or the like even during an ageing period. The photoca...
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JP2002336705 |
To provide a fiber structure suitably used in water not only to prevent the fouling of underwater organisms such as algae, barnacles, parasites but also to reduce the load to the peripheral environment, suppressing the yellowing and dete...
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JP2002332834 |
To prevent damages to a catalyst support 13 due to movement of foreign matter around such as weld spatters, on an end face of the catalytic carrier 13.On an end face on the upstream side in the exhaust flow direction of a catalyst suppor...
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JP2002320841 |
To provide a controlling method for by which the gas-liquid catalytic reaction using a solid catalyst and the gas generating reaction from a liquid by using a solid catalyst can be controlled by a simple method without depending on the i...
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JP2002316057 |
To provide a photocatalyst having high decomposability even at a low temperature of about room temperature (0 to 40°C) and to provide a functional body using the same.The photocatalyst in which a surface layer consisting of MOXCY (M is ...
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JP2002303131 |
To provide a catalyst case capable of reducing the noise from the catalyst case in comparison with a conventional one.In this catalyst case 10 for inserting a ceramic support 20 on which a holding mat 30 is wound, a wall 10a of the case ...
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JP2002302860 |
To provide a method for manufacturing a heat-resisting mat containing an organic binder which disappears by pyrolysis in an aluminous fiber mat compressed in the direction of the thickness, the manufacturing method being improved so that...
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JP2002302875 |
To provide a heat-resistant mat improved so as to be easily mounted on an applied position.This heat-resistant mat obtained by allowing an alumina fiber mat compressed in the thickness direction to include an organic binder which can be ...
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JP2002303130 |
To provide an assembling method for an exhaust emission control device capable of satisfying both inserting function and holding function without degradation of exhaust emission, curl up of a sheet, or winding of the sheet.(1) This assem...
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JP2002302859 |
To provide a method for manufacturing a heat-resisting mat containing an organic binder which disappears by pyrolysis in an aluminous fiber mat compressed in the direction of the thickness, the manufacturing method being improved so that...
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JP2002292243 |
To provide an improved method for manufacturing a heat resistant mat in which an organic binder substantially uniformly exists and thickness is substantially uniform in a method for manufacturing the heat resistant mat constituted by inc...
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JP2002292242 |
To provide a heat-resistant mat improved so that the mat can be easily attached to an objective place without causing problems of storage, environment and safety.The heat resistant mat contains an organic binder which dissipates by pyrol...
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JP2002292225 |
To provide a honeycomb structure which is excellent in durability to thermal stress breakage while suppressing lowering of reaction percentage, purification efficiency, regeneration efficiency or the like at the time of using.The honeyco...
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JP2002292285 |
To provide a method which prevents an unreacted alkylene oxide remaining in a resin catalyst from polymerizing and solidifying during the preservation and, therefore, enables the stable and long-term preservation of the resin catalyst wh...
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JP2002282705 |
To provide a honeycomb structure and an assembly of the honeycomb structure, which exhibit good durability to heat and vibration when they are used.In the honeycomb structure, a plurality of honeycomb segments 2, each having a honeycomb ...
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