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Cataler Corporation Patents
Assignee:
Cataler Corporation
Address:
Shizouka, JP
No. of patents:
61
Patents:


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Patent Number Title Of Patent Date Issued
8580706 Exhaust gas-purifying catalyst November 12, 2013
An exhaust gas-purifying catalyst according to the present invention includes a substrate, a first catalytic layer facing the substrate and includes at least one precious metal selected from the group consisting of palladium and platinum, and alumina doped with an alkaline-earth metal
8580705 Exhaust gas purifying catalyst November 12, 2013
An exhaust gas purifying catalyst includes a substrate that defines an exhaust gas passage; a lower catalyst layer formed over the substrate, and an upper catalyst layer formed over the lower catalyst layer. The lower catalyst layer has a lower catalytic precious metal that contains
8580215 Exhaust gas control apparatus and method for internal combustion engine November 12, 2013
A NOx selective reduction catalyst for reducing NOx by the ammonia adsorbed is disposed in an engine exhaust gas passage. As states of adsorption of ammonia by the catalyst, there are a first adsorption state of ammonia that occurs when the ammonia is adsorbed during low temperature
8569198 Exhaust gas-purifying catalyst October 29, 2013
An exhaust gas-purifying catalyst includes first particles of oxygen storage material, second particles of one or more alkaline-earth metal elements and/or compounds thereof interposed between the first particles, and third particles of one or more precious metal elements interposed
8227374 Exhaust gas purification catalyst July 24, 2012
The invention provides an exhaust gas purification catalyst comprising one or more catalyst coating layers having platinum and/or palladium with rhodium supported on a carrier, characterized in that the (platinum and/or palladium)/rhodium weight ratio is 1.0 or less.
8187996 Exhaust gas-purifying catalyst May 29, 2012
An object of the present invention is to provide an exhaust gas-purifying catalyst containing a composite oxide catalyst and a refractory support and being less prone to cause a decrease in its activity even when used at high temperatures in an atmosphere with high oxygen concentration.
8178260 Fuel cell electrode catalyst with reduced noble metal amount and solid polymer fuel cell compris May 15, 2012
An object of the present invention is to reduce the amount of catalytic metal such as Pt in a fuel cell. The present invention provides a fuel cell electrode catalyst comprising a conductive carrier and catalytic metal particles, wherein the CO adsorption amount of the electrode cata
8168560 Exhaust gas purifying catalyst May 1, 2012
An exhaust gas purifying catalyst is provided which includes a catalyst substrate and a catalyst coating layer. The catalyst coating layer is formed on the catalyst substrate and contains a noble metal and a refractory inorganic oxide. The catalyst coating layer has a layered structu
8158552 Exhaust gas purifying catalyst April 17, 2012
An exhaust gas purifying catalyst exhibiting high purification performance in the Hot range is provided. The exhaust gas purifying catalyst has a catalyst substrate and a catalyst coating layer formed on the catalyst substrate. The catalyst coating layer has a layered structure inclu
8137443 Activated carbon and canister and intake air filter utilizing the same March 20, 2012
The present invention provides an activated carbon having an average length/average diameter (L/D) of 0.8 to 1.2 and a difference between the 1/1-volume benzene adsorption rate and the 1/10-volume benzene adsorption rate of 6.0 g/100 mL or more, and a canister and an intake air filter
8133839 Exhaust gas-purifying catalyst March 13, 2012
An exhaust gas-purifying catalyst (1) contains a rare-earth element, an alkaline-earth element, zirconium and a precious metal, wherein an atomic ratio of the alkaline-earth element with respect to a sum of the rare-earth element and the zirconium is 10 atomic % or more, a part of th
8133837 Exhaust gas-purifying catalyst March 13, 2012
Decreasing HC emission is made possible. An exhaust gas-purifying catalyst includes a substrate, a hydrocarbon-adsorbing layer covering the substrate, and a catalytic layer covering the hydrocarbon-adsorbing layer. The catalytic layer includes a layered structure of a first catalytic
8097556 Exhaust gas-purifying catalyst and method of manufacturing the same January 17, 2012
An object of the present invention is to provide an exhaust gas-purifying catalyst that is less prone to cause a decrease in its activity even when used at high temperatures in an atmosphere whose oxygen concentration is high. An exhaust gas-purifying catalyst of the present invention in
8071502 Exhaust gas purifying catalyst December 6, 2011
An exhaust gas purifying catalyst is provided in which alloying of precious metals is prevented even at high temperatures so that degradation of catalyst can be inhibited. The exhaust gas purifying catalyst comprises a substrate serving as a passage of exhaust gas; and a catalyst coa
8071498 Exhaust gas purifying catalyst, method for recovering exhaust gas purifying catalyst, and cataly December 6, 2011
An exhaust gas purifying catalyst wherein the catalytic activity can be recovered over a wide temperature range is provided. Also provided are a method for recovering an exhaust gas purifying catalyst, and a catalyst system for exhaust gas purification. The exhaust gas purifying catalyst
8043992 Inorganic mixed oxide and catalyst for purification of exhaust gas using the same October 25, 2011
A particulate inorganic mixed oxide comprising: aluminum; zirconium; cerium; lanthanum and an additional element selected from the group consisting of neodymium and praseodymium, wherein the inorganic mixed oxide has at least 80% of primary particles with article diameters of 100 nm
8039418 Exhaust gas-purifying catalyst October 18, 2011
A high exhaust gas-purifying performance is achieved. An exhaust gas-purifying catalyst includes a substrate, a lower layer covering the substrate and including an oxygen storage material and palladium, and an upper layer covering the lower layer and including rhodium and a carrier s
8012376 Method for preparing carbon material for electrode of electrochemical devices September 6, 2011
A method for preparing a carbon material for an electrode is provided that comprises a step for activating a mixture of a carbonous main material and a conductive additive.
7998896 Exhaust gas purifying catalyst August 16, 2011
An exhaust gas purifying catalyst having a good ignition performance is provided. The exhaust gas purifying catalyst 1 includes a catalyst substrate 3 and a catalyst coating layer 5 which contains a noble metal and a refractory inorganic oxide and is formed on the catalyst substrate.
7988921 Hexagonal-cell honeycomb catalyzer for purifying exhaust gas August 2, 2011
A hexagonal-cell honeycomb catalyzer is for purifying an exhaust gas. The catalyzer comprising a support that has a plurality of cells and a purification layer that has an HC absorption layer and a three-way catalyst layer. The HC absorption layer is formed on the honeycomb-formed su
7967899 Activated carbon and canister using the same June 28, 2011
Activated carbon in which the residual amount of hydrocarbon (HC) can be reduced and a canister using such activated carbon are provided. Activated carbon in which the residual amount of butane is determined to be 1.2 g/100 ml or less after butane is adsorbed thereon and desorbed the
7956005 Exhaust gas-purifying catalyst June 7, 2011
An object of the present invention is to provide an exhaust gas-purifying catalyst containing a composite oxide catalyst and a refractory support and being less prone to cause a decrease in its activity even when used at high temperatures in an atmosphere with high oxygen concentration.
7910512 Production process of electrode catalyst for fuel cell March 22, 2011
To provide a production process of an electrode catalyst for fuel cell whose initial voltage is high and whose endurance characteristics, especially, whose voltage drop being caused by high-potential application is less.A production process according to the present invention of an el
7897540 Process for producing activated carbon March 1, 2011
A process for producing an activated carbon includes the step of adsorbing an organic compound onto an activated carbon comprising pores which exhibit a wide pore diameter distribution, thereby selectively closing smaller pores which have a small pore diameter. In accordance with the
7854982 Honeycomb structure for slurry coating December 21, 2010
With the recent yearly increase in cell density, use of the same slurry as a conventional one for forcibly depositing a solid, e.g., alumina for supporting, on the surface of cell walls has come to arouse a trouble that the resultant coat layer is thick and cell clogging is more apt to
7846863 Exhaust gas purifying catalyst December 7, 2010
An exhaust gas purifying catalyst comprises a substrate having a through hole serving as a passage for exhaust gas; and a catalyst coating layer formed on an internal surface of the through hole. The catalyst coating layer contains: a component (i): a precious metal; and a component (ii)
7842643 Exhaust gas purifying catalyst November 30, 2010
An exhaust gas purifying catalyst exhibiting high catalytic performance and restraining an amount of noble metals used is provided. An exhaust gas purifying catalyst has a catalyst substrate and a catalyst coating layer formed on the catalyst substrate. The catalyst coating layer has a
7825063 Hydrogen sulfide generation-suppressed catalyst November 2, 2010
An exhaust gas-purifying catalyst includes Nd and/or Pr as an active ingredient that suppresses generation of hydrogen sulfide.
7816300 Catalyst for purifying exhaust gas October 19, 2010
The present invention provides an exhaust gas purification catalyst comprising a base material, and a two or more layered catalyst coating layer, formed on the base material, wherein the two or more layers have upper and lower layers, and wherein the upper layer contains a large amou
7795170 Catalyst September 14, 2010
Provided is a catalyst with a noble metal efficiently supported on the surfacemost thereof. A composite oxide-containing layer is formed on a catalyst carrier so as to contain a perovskite-type composite oxide represented by the following general formula (1) and an other composite ox
7785543 Method of processing alkali-activation exhaust gas August 31, 2010
Disclosed is an apparatus for processing an exhaust gas containing an alkaline substance, the exhaust gas being emitted when activating a carbon material with an alkaline substance. The apparatus includes a humidified-gas preparing device for preparing a humidified gas, which exhibit
7781371 Filter catalyst August 24, 2010
A filter catalyst of the present invention is comprised of a catalyst-supporting substrate 1, and catalytic portions 5, 6 for purifying an exhaust gas. The catalytic portions includes the first catalytic portion 5 for purifying HC, CO and NO.sub.x, and the second catalytic portion 6
7781014 Process for producing a filter catalyst August 24, 2010
To provide a process for producing a filter catalyst which can produce a filter catalyst in which the closure of ventilation holes by a catalytic layer is inhibited.A process for producing a filter catalyst according to the present invention is characterized in that, in a process for
7759290 Exhaust gas purifying catalyst July 20, 2010
To provide an exhaust gas purifying catalyst capable of exhibiting designed characteristics without incurring a material loss.An exhaust gas purifying catalyst (1) of the present invention is characterized in that the catalyst comprises a catalyst support substrate (10) having a plur
7759278 Exhaust gas-purifying catalyst July 20, 2010
An exhaust gas-purifying catalyst includes a rare-earth element, an alkaline-earth element, and a precious metal. A part of the rare-earth element and a part of the alkaline-earth element form a composite oxide. The composite oxide and a part of the precious metal form a solid soluti
7737077 Catalyst for purifying exhaust gases June 15, 2010
This is to provide a catalyst for purifying exhaust gases, catalyst which are good in terms of the purifying performance.A catalyst according to the present invention for purifying exhaust gases comprises: a catalytic support substrate (1); a first catalytic layer (2) having a first load
7678416 Substrate coating method March 16, 2010
In a method of coating a substrate, inner walls of flow channels of the substrate are coated with a slurry. A plurality of flow channels each opened at both end faces are formed in the substrate. The method includes a step of storing a predetermined amount of slurry in a slurry container
7625836 Heat-resistant oxide December 1, 2009
To provide a heat-resistant oxide which is excellent in heat resistance and durability at high temperature and has high activity, a heat-resistant oxide which has an oxide crystal structure and in which a rate of a solid solution of a noble metal in the oxide crystal structure is 50%
7622419 Filter catalyst November 24, 2009
To provide a filter catalyst in which the closure of ventilation holes by a catalytic layer is inhibited. A filter catalyst of the present invention is characterized in that it has pores of 1-20 .mu.m in a porosity of 11% or more. The filter catalyst of the present invention has an e
7601325 Perovskite-type composite oxide, catalyst composition and method for producing perovskite-type c October 13, 2009
To provide a perovskite-type composite oxide which has stable quality in which a solid solution of Pd is formed at a high rate, a method for producing the perovskite-type composite oxide, and a catalyst composition containing the perovskite-type composite oxide, the perovskite-type c
7585478 Exhaust-gas purifying catalyst September 8, 2009
An exhaust-gas purifying catalyst includes a mantle, two or more honeycomb-shaped supports fastened in the mantle so as to be separated at intervals, and a catalytic layer disposed on the respective honeycomb-shaped supports. The honeycomb-shaped supports include a first honeycomb-sh
7556786 Method of processing alkali-activation exhaust gas July 7, 2009
Disclosed is a method for processing an exhaust gas containing an alkaline substance, the exhaust gas being emitted when activating a carbon material with an alkaline substance. The method includes the steps of preparing a humidified gas, which exhibits a dew point of 25.degree. C. o
7498288 Exhaust gas-purifying catalyst and method of manufacturing the same March 3, 2009
An exhaust gas-purifying catalyst includes a support and a catalyst active component including at least one noble metal supported by at least a portion of the support. The support includes a stabilized zirconia containing at least one stabilizing element selected from rare earth elem
7473665 Exhaust gas-purifying catalyst system January 6, 2009
An exhaust gas-purifying catalyst system is provided with a plurality of catalyst layers including a first and a second catalyst layers, supported on a support structure. The first catalyst layer comes into contact with an exhaust gas stream firstly among the plurality of catalyst layers
7446070 Exhaust gas-purifying catalyst November 4, 2008
An exhaust gas-purifying catalyst includes a zeolite and a perovskite composite oxide containing palladium placed at its B site.
7387766 Exhaust-gas purifying apparatus June 17, 2008
An exhaust-gas purifying apparatus includes a mantle, a support, and a catalytic layer. The support is disposed in the mantle, and is formed as at least one shape selected from the group consisting of cylinder shapes and corrugated shapes. The catalytic layer is loaded on at least one of
7374727 Exhaust-gas purifying apparatus May 20, 2008
An exhaust-gas purifying apparatus includes an outer cylinder, a plurality of cylinder-shaped supports, and a catalytic layer. The cylinder-shaped supports are disposed in the outer cylinder, and have an outer peripheral surface and an inner peripheral surface. At least two of the neighb
7297654 Exhaust gas-purifying catalyst November 20, 2007
An exhaust gas-purifying catalyst includes a carrier, and an active component formed of a noble metal, carried by the carrier. The carrier has a core portion comprising a cubic or tetragonal stabilized zirconia-based composite oxide containing at least one stabilizing element, and a
7241717 Cathode catalyst for fuel cell July 10, 2007
It is an object of the present invention to provide a cathode catalyst for fuel cells containing platinum and iron which can maintain the durability of a battery and can make a battery high output. The cathode catalyst for fuel cells comprises a supporting layer which consists of an allo
7223493 Supported catalyst for fuel cell, method of manufacturing the same, and fuel cell May 29, 2007
Provided is a supported catalyst for a fuel cell, containing a conductive support and a platinum alloy supported thereby, wherein an elution ratio of transition metal other than platinum is 30% or less when 0.5 g of the supported catalyst is stirred at room temperature in 30 mL of 0.1N
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