1
Hirofumi Yasuda, Katsuo Suga, Makoto Aoyama, Toshiharu Miyamura: Catalyst, exhaust gas purifying catalyst, and method of producing the catalyst. Nissan Motor, Foley & Lardner, December 20, 2011: US08080494 (72 worldwide citation)

A catalyst 1 has a heat-resistant support 2 selected from among Al2O3, SiO2, ZrO2, and TiO2, and a first metal 4 supported on an outer surface of the support 2, and included by an inclusion material 3 containing a component of the support 2.


2
Kazuyuki Shiratori, Toru Sekiba, Katsuo Suga, Masanori Nakamura, Hironori Wakamatsu, Hirofumi Yasuda: Catalyst powder, method of producing the catalyst powder, and exhaust gas purifying catalyst. Nissan Motor, Foley & Lardner, March 9, 2010: US07674744 (65 worldwide citation)

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. By this method, ...


3
Kouji Yoshizaki, Takaaki Itou: Device for purifying exhaust gas of engine. Toyota Jidosha Kabushiki Kaisha, Oliff & Berridge, January 18, 2000: US06014859 (60 worldwide citation)

An engine has a plurality of the cylinders. The cylinders are divided into a first cylinder group and a second cylinder group, and each cylinder group is connected, via a corresponding branch exhaust passage, to a common interconnecting exhaust passage. In the interconnecting exhaust passage, an exh ...


4
Hironori Wakamatsu, Maki Shimada, Masanori Nakamura, Katsuo Suga, Hiroto Kikuchi, Tetsuro Naito, Toshiharu Miyamura, Jun Ikezawa: Exhaust gas purifying catalyst and manufacturing method thereof. Nissan Motor, Renault s, Foley & Lardner, December 14, 2010: US07851405 (59 worldwide citation)

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 t ...


5
Tanaka Takashi, Yamanaka Mikio, Sadano Yutaka Hikari Works, Yotsuya Kouki, Ishikawa Yasushi Nagoya Works, Takada Toshihiro: Carrier for automobile exhaust gas purifying catalyst.. Nippon Steel, Toyota Motor, May 20, 1992: EP0486276-A1 (52 worldwide citation)

A semi-oval shaped metallic carrier having an excellent thermal stress resistance an thermal fatigue resistance and used for an automobile exhaust gas-purifying catalyst, in which the carrier is composed of a metallic honeycomb body (3) constituted by superimposing flat metal foils and corrugated me ...


6
Yukio Kinugasa, Takaaki Itou, Koichi Hoshi, Naoto Suzuki, Koichi Takeuchi, Takehisa Yaegashi, Kouhei Igarashi: Device for purifying exhaust gas of engine. Toyota Jidosha Kabushiki Kaisha, Kenyon & Kenyon, October 12, 1999: US05964088 (48 worldwide citation)

A device for purifying the exhaust gas of an engine having a plurality of cylinders divided into first and second cylinder groups, the first and the second cylinder groups being connected to first and second exhaust passage, respectively, and performing a lean operation, comprises an NH.sub.3 synthe ...


7
Shiraishi Eiichi, Baba Hideyuki, Tsuchitani Kazuo, Ohata Tomohisa: Catalyst for purifying exhaust gas.. Nippon Catalytic Chem, October 7, 1992: EP0507590-A1 (47 worldwide citation)

An exhaust gas purifying catalyst for simultaneous removal of carbon monoxide, hydrocarbons and nitrogen oxides from an exhaust gas from an internal-combustion engine, having carried on a monolithic carrier a mixture comprising a catalytically active component comprising 0.5 to 30 g of palladium, 0. ...


8
Hiroo Kinoshita, Yoshihiro Suzuki, Shoji Saruhashi, Masayasu Sato: Exhaust gas purifying catalyst. Toyota Jidosha Kogyo Kabushiki Kaisha, Cataler Industrial, Stevens Davis Miller & Mosher, January 18, 1983: US04369132 (45 worldwide citation)

Exhaust gas purifying catalyst characterized in that a carrier carries as the catalytic elements, a Pt-family element or elements containing over 50 weight % of Pt and an alkaline metal in proportions of 0.001.about.1 mole per 1 kg of catalyst; or the carrier carries Ce additionally.


9
Hidehiro Iizuka, Osamu Kuroda, Toshio Ogawa, Hisao Yamashita, Shigeru Azuhata, Yuichi Kitahara, Takeshi Atago, Hiroatsu Tokuda, Takao Ishikawa, Hiroshi Hanaoka, Hiroshi Tobita, Shinichi Ichikawa, Toshifumi Hiratsuka: Exhaust gas purifying method and catalyst used therefor. Hitachi, Antonelli Terry Stout & Kraus, April 4, 2000: US06045764 (43 worldwide citation)

An exhaust gas purifying catalyst is provided for purifying NOx contained in an exhaust gas from an internal combustion engine of a vehicle operated at a high air fuel ratio due to excessive oxygen, using unburnt HC or CO in the exhaust gas as a reducing agent. The catalyst comprises platinum, stron ...


10
Shinji Yamamoto, Masahiro Takaya: Exhaust gas purifying catalyst and process for preparing the catalyst. Nissan Motor, Foley & Lardner, February 11, 2003: US06518213 (43 worldwide citation)

An exhaust gas purifying catalyst comprises a hydrocarbon adsorbent layer and a metal-based catalyst layer on a monolithic support. The catalyst contains zeolite in the underlying hydrocarbon adsorbent layer and contains noble metals such as palladium, platinum, rhodium, etc. in the overlying metal- ...