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Inventor:
Nakamura; Masanori
Address:
Yokosuka, JP
No. of patents:
16
Patents:












Patent Number Title Of Patent Date Issued
8569201 Exhaust gas purifying catalyst and method for manufacturing the same October 29, 2013
An exhaust gas purifying catalyst includes: rhodium; a zirconium-containing oxide which supports rhodium, and comprises: at least one element selected from the group consisting of calcium, lanthanum, cerium, neodymium and yttrium; and zirconium; and a NOx absorbing material comprisin
8273681 Exhaust gas purifying catalyst and method for manufacturing the same September 25, 2012
An exhaust gas purifying catalyst includes: rhodium; a zirconium-containing oxide which supports rhodium, and comprises: at least one element selected from the group consisting of calcium, lanthanum, cerium, neodymium and yttrium; and zirconium; and a NOx absorbing material comprisin
8158554 High heat-resistant catalyst and manufacturing method thereof April 17, 2012
A high heat-resistant catalyst includes: noble metal particles; first compounds which contact the noble metal particles and suppress movement of the noble metal particles; and second compounds which envelop the noble metal particles and the first compounds, suppress the movement of t
7977276 Exhaust gas purifying catalyst and method of producing the same July 12, 2011
Disclosed is an exhaust gas purifying catalyst exhibiting excellent purification performance for a long period of time by suppressing coagulation of a noble metal. A catalyst powder comprises a noble metal and first and second compounds. In the catalyst powder, the first compound car
7851405 Exhaust gas purifying catalyst and manufacturing method thereof December 14, 2010
An exhaust gas purifying catalyst that includes noble metal particles, first compounds which support the noble metal particles and suppress movement of the noble metal particles, and second compounds which encapsulate the noble metal particles and the first compounds. The second comp
7833930 Exhaust gas purifying catalyst and production method thereof November 16, 2010
An exhaust gas purifying catalyst including: a plurality of first compounds 5 which have precious metal particles 3 supported thereon and are formed into a particle shape; and second compounds 7 which are arranged among the plurality of first compounds 5 and separate the first compou
7759279 Exhaust gas purifying catalyst and production method thereof July 20, 2010
An exhaust gas purifying catalyst including: rhodium particles having catalytic activity; compound particles which are formed on peripheries of the rhodium particles and support the rhodium particles; and oxides which are formed on peripheries of the compound particles and suppress c
7737076 Catalyst and producing method thereof June 15, 2010
A catalyst producing method comprises preparing reverse micellar solution including an aqueous solution containing at least a noble metal element as a catalytic active component, and carrying the catalytic active component by a substrate to establish them into a catalyst precursor; and
7713911 Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder May 11, 2010
A method of producing catalyst powder of the present invention has a step of precipitating a transition metal particle and a base-metal compound in a reversed micelle substantially simultaneously, and a step of precipitating a noble metal particle in the reversed micelle. By this met
7674744 Catalyst powder, method of producing the catalyst powder, and exhaust gas purifying catalyst March 9, 2010
A method of producing catalyst powder of the present invention has a step of precipitating a carrier in a reversed micelle, and a step of precipitating at least one of a noble metal particle and a transition metal particle in the reversed micelle in which the carrier is precipitated.
7638460 Exhaust gas purifying catalyst and method of manufacturing the same December 29, 2009
An exhaust gas purifying catalyst of the present invention has a substrate, and a catalyst layer formed on an inner wall of the substrate and composed of at least a single layer. The catalyst layer contains a carrier supporting noble metal. Further, a maximum height of profile of a s
7605108 Catalyst, exhaust gas purification catalyst, and method for manufacturing same October 20, 2009
A catalyst which suppresses aggregation of metal particles and which has superior heat resistance. In the catalyst, metal particles are supported by a surface of a carrier while being partially embedded therein.
7601670 Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder October 13, 2009
A method of producing catalyst powder of the present invention has a step of precipitating any one of a noble metal particle (5) and a transition metal particle (10) in a reversed micelle (1); a step of precipitating, in the reversed micelle (1) in which any one of the noble metal partic
7601669 Powdery catalyst, exhaust-gas purifying catalyzer, and powdery catalyst production method October 13, 2009
In a powdery catalyst (1), a porous carrier (2) has a complex part (3) configured to hold a noble metal particle (4), the complex part being composed of a transition metal material and a constituent material of the porous carrier (2).
7585811 Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder September 8, 2009
A method of producing catalyst powder of the present invention has a step of precipitating a noble metal particle (2) and a porous carrier (1) in a reversed micelle substantially simultaneously; and a step of precipitating a transition metal particle (3) in the reversed micelle. By t
6896857 Exhaust gas purifying catalyst and method for manufacturing the same May 24, 2005
An exhaust gas purifying catalyst comprises a powder including a porous material having a specific surface area of 150 m.sup.2 /g or more, cerium and platinum. Cerium and Platinum are loaded on the porous material. The powder has platinum dispersion of 70% or more before baking and plati










 
 
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