Nissan Motor Company Limited

Renault S.a.s.

Toshiharu Miyamura

Katsuo Suga

Masanori Nakamura

Hironori Wakamatsu

Yasunari Hanaki

Hiroto Kikuchi

Junji Ito

Jun Ikezawa

Masahiro Takaya

Kazuyuki Shiratori

Tetsuro Naito

Hirofumi Yasuda

Hideaki Morisaka

Maki Shimada

Kouji Masuda

Kenji Uesugi

Haruhiko Shibayama

Takeshi Yamauchi

Shigeru Chida

Makoto Aoyama

Shinichi Akaishi

A fibrous structure () of the present invention includes: long fibers () composed of an inorganic material; and short fibers () composed of the inorganic material and shorter than the long fibers (), wherein at least one of the long fibers () and the short fibers () includes catalyst components (), and a three-dimensional net-like structure is formed by the long fibers () and the short fibers ().

Fibrous structure and particulate filter type exhaust gas purifying catalyst

An exhaust gas purifying catalyst includes a monolithic substrate (), and a transition metal oxide layer () formed in the monolithic substrate (). The transition metal oxide layer () contains transition metal oxide powder including: transition metal oxide particles (); a first compound () on which the transition metal oxide particles () are supported; and a second compound () that surrounds a single body or an aggregate of the transition metal oxide particles () and the first compound ().

Exhaust gas purifying catalyst

A catalytic converter includes: a three-dimensional structural support having a plurality of cells partitioned by porous cell walls, in which a pore diameter of the cell walls is 10 &#x3bc;m to 50 &#x3bc;m and porosity of the cell walls is 40 vol % or more; and a catalyst-coated layer containing a catalyst component. The catalyst-coated layer is coated on surfaces of the cell walls of the three-dimensional structural support. 50 mass % or more of a total supported amount of the catalyst component on the three-dimensional structural support is present in a region from the surfaces of the cell walls of the three-dimensional structural support to surfaces of the catalyst-coated layer.

Catalytic converter and manufacturing method thereof

A catalysthas a heat-resistant supportselected from among AlO, SiO, ZrO, and TiO, and a first metalsupported on an outer surface of the support, and included by an inclusion materialcontaining a component of the support

Catalyst, exhaust gas purifying catalyst, and method of producing the catalyst

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 carries the noble metal and is separated from another first compound carrying a noble metal by the second compound. At least one catalyst layer comprising the catalyst powder is formed on an inner surface of a substrate. The catalyst layer has fine pores. A fine pore volume of fine pores having a fine pore diameter of greater than 0.1 &#x3bc;m to less than or equal to 1 &#x3bc;m is 10% to 60% of the fine pore volume of fine pores having a pore diameter of 1.0 &#x3bc;m or less.

Exhaust gas purifying catalyst and method of producing the same

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 compounds suppress the movement of the noble metal particles and suppress coagulation of the first compounds following mutual contact of the first compounds.

Exhaust gas purifying catalyst and manufacturing method thereof

An exhaust gas purifying catalyst including: a plurality of first compoundswhich have precious metal particlessupported thereon and are formed into a particle shape; and second compoundswhich are arranged among the plurality of first compoundsand separate the first compoundsfrom one another, wherein pore volumes of the precious metal particles, the first compoundsand the second compoundsare 0.24 to 0.8 cm/g.

Exhaust gas purifying catalyst and production method thereof

A particulate matter oxidizing catalyst includes: at least one metal selected from the group consisting of: gallium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, molybdenum, silver, lanthanum, praseodymium, neodymium and gold; and cerium, wherein a first oxide includes: the cerium, and a first metal which is at least one element selected from the group consisting of: gallium, manganese, iron, cobalt and nickel, wherein a second oxide includes: the cerium, and a second metal which is at least one element selected from the group consisting of: praseodymium, zirconium and aluminum, and wherein the second oxide and the first oxide have a content ratio of second oxide/(first oxide+second oxide)=0.1 by mass to 0.8 by mass.

Particulate matter (PM) oxidizing catalyst

An exhaust gas purging catalyst, includes: an integrated carrier; and a catalyst coat layer formed on the integrated carrier. The catalyst coat layer includes a catalyst component and meets the following expression (A): P&#x2267;0.17W&#x2212;0.04 - - - (A). P denotes a summation (ml) of a capacity of a void per mass (g) of the catalyst coat layer. The void has a pore diameter of 0.1 &#x3bc;m to 1 &#x3bc;m. W denotes a volume (ml) of the catalyst coat layer per the mass (g) of the catalyst coat layer.

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Yokohama, Japan

Toshiharu Miyamura