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Catalyst system for purifying oxygen rich exhaust gas

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01J-023/40
  • B01J-023/58
  • B01J-023/44
  • B01J-023/42
  • B01J-023/00
출원번호 US-0263836 (1999-03-08)
우선권정보 JP-0056530 (1998-03-09); JP-0215343 (1998-07-30); JP-0224151 (1998-08-07)
발명자 / 주소
  • Katsuo Suga JP
  • Masanori Nakamura JP
출원인 / 주소
  • Nissan Motor Co., Ltd. JP
대리인 / 주소
    Foley & Lardner
인용정보 피인용 횟수 : 26  인용 특허 : 20

초록

A device (catalytic converter) for purifying an exhaust gas. This device has a first catalyst for purifying a NOx of the exhaust gas. This first catalyst contains first and second powders. The first powder has a porous carrier and at least one noble metal loaded on the porous carrier. The at least o

대표청구항

1. A catalyst system for purifying an exhaust gas, said catalyst system comprising a first catalyst for purifying a NOx of the exhaust gas, said first catalyst comprising: a first powder comprising a porous carrier and a noble metal loaded on said porous carrier, said noble metal being selected from

이 특허에 인용된 특허 (20)

  1. Takada Toshihiro (Toyota JPX) Matsumoto Shinichi (Aichi JPX) Miyoshi Naoto (Nagoya JPX), Catalyst for purifying exhaust gases.
  2. Suzuki Hiromasa (Seto JPX) Yokota Koji (Nagoya JPX) Iijima Tomoko (Nagoya JPX) Suzuki Tadashi (Seto JPX) Kasahara Koichi (Ogasa-gun JPX) Tateishi Syuji (Ogasa-gun JPX), Catalyst for purifying exhaust gases and process for purifying exhaust gases.
  3. Suga Katsuo,JPX ; Sekiba Toru,JPX, Catalyst for purifying oxygen rich exhaust gas.
  4. Suga Katsuo,JPX ; Sekiba Toru,JPX, Catalyst system for the purification of exhaust gas.
  5. Kanesaka Hiroyuki (Yokohama JPX) Kachi Naoki (Yokosuka JPX), Catalysts for the purification of exhaust gas.
  6. Durand Daniel,FRX ; Mabilon Gil,FRX ; Des Courtils Nicolas,FRX, Catalysts selective for the reduction of nitrogen oxides to nitrogen in an oxidizing medium, a process for their prepara.
  7. Takemoto Takashi (Hiroshima JPX) Watanabe Yasuto (Hiroshima JPX) Shigetsu Masahiko (Hiroshima JPX) Komatsu Kazunari (Hiroshima JPX) Kyogoku Makoto (Hiroshima JPX), Catalytic converter for treating exhaust gas.
  8. Obuchi Akira (Tsukuba JPX) Yoshiyama Hidenori (Tsukuba JPX) Ohi Akihiko (Tsukuba JPX) Aoyama Hyogoro (Tsukuba JPX) Ohuchi Hideo (Tsukuba JPX) Ogata Atsushi (Tsukuba JPX) Mizuno Koichi (Ibaraki JPX) M, Exhaust gas cleaner.
  9. Goto Masato (Susono JPX) Iguchi Satoshi (Mishima JPX) Katoh Kenji (Shizuoka JPX) Kihara Tetsuro (Susono JPX), Exhaust gas purification device for an engine.
  10. Matsumoto Shinichi (Aichi JPX) Miyoshi Naoto (Nagoya JPX) Muraki Hideaki (Nagoya JPX) Sobukawa Hideo (Aichi JPX) Fukui Masayuki (Aichi JPX) Kimura Mareo (Nagoya JPX) Shinjoh Hirofumi (Aichi JPX), Exhaust gas purifying catalyst and process for producing the same.
  11. Iizuka Hidehiro,JPX ; Kuroda Osamu,JPX ; Ogawa Toshio,JPX ; Yamashita Hisao,JPX ; Azuhata Shigeru,JPX ; Kitahara Yuichi,JPX ; Atago Takeshi,JPX ; Tokuda Hiroatsu,JPX ; Ishikawa Takao,JPX ; Hanaoka Hi, Exhaust gas purifying method and catalyst used therefor.
  12. Dettling Joseph C. (Howell NJ), High performance thermally stable catalyst.
  13. Euzen Patrick,FRX, High temperature resistant oxidation catalyst, a process for its preparation and a combustion process using this catal.
  14. Suzuki Hiromasa,JPX ; Miyoshi Naoto,JPX, Method for purifying exhaust gases with two layer catalyst in oxygen-rich atmosphere.
  15. Tsuchitani Kazuo,JPX ; Hori Masao,JPX ; Inui Satoshi,JPX, Method for removal of nitrogen oxides from exhaust gas.
  16. Petit Corinne (Strasbourg FRX) Kiennemann Alain (Illkirch FRX) Chaumette Patrick (Bougival FRX) Clause Olivier (Chatou FRX), Oxidation catalyst and process for the partial oxidation of methane.
  17. Hu Yimin (Beijing CNX) Xu Bifen (Beijing CNX), Pollution control catalyst with mutual protective distributed-active-combinations each including noble-metal-atoms stabl.
  18. Monceaux Laurence (Choisy-au-Bac FRX) Courtine Pierre (Compiegne FRX) Xian Hua (Compiegne FRX) Sri Rahayu Wuryaningsih (Compiegne FRX), Post-combustion catalysts.
  19. Shiraishi Eiichi,JPX ; Taniguchi Shigeyoshi,JPX ; Matsumoto Takeshi,JPX, Purifying catalyst for exhaust gas from internal combustion engine.
  20. Kharas Karl C. C. ; Henk Michael George ; Robota Heinz Juergen, Reduction of NO.sub.x in the exhaust gases from internal combustion engines containing excess oxygen.

이 특허를 인용한 특허 (26)

  1. Waller, David; Grønvold, Marianne Søbye; Sahli, Nibal, Ammonia oxidation catalyst for the production of nitric acid based on metal doped yttrium ortho cobaltate.
  2. Headdock, Gareth; Griffin, Kenneth George; Johnston, Peter; Hayes, Martin John, Catalyst and process.
  3. Efstathiou, Angelos M.; Savva, Petros G.; Costa, Costas N., Catalyst containing platinum and palladium for the selective reduction of NOx with hydrogen (H2-SCR).
  4. Takeuchi, Masahiko, Catalyst for purifying exhaust gas.
  5. Nakane, Takuji; Kato, Naohiro; Okumura, Akihisa, Catalyst for removing nitrogen oxides and method for removing nitrogen oxides using the same.
  6. Lee, Seong Ho; Lee, Woo Jin; Cheon, Young Eun; Oh, Seung Hoon; Kim, Sung Hwan; Jung, Hong Seok; Kim, Yong Woo; Goh, Gi Ho, Catalyst for selective oxidation of NH3 to N2 and method for preparing the same.
  7. Efstathiou,Angelos M.; Costa,Costas N.; Garcia Fierro,Jos챕 Luis, Catalyst for the reduction of NO to Nwith hydrogen under NOx oxidation conditions.
  8. Suzuki,Norihiko; Uedahira,Hideki; Oono,Hiroshi; Kikuchi,Shinichi; Sakanushi,Masahiro; Yamada,Ryoko; Matsuzono,Yoshiaki, Device for clarifying exhaust gas from internal combustion engine.
  9. Watanabe, Tetsuya, Exhaust gas emission purifying catalyst.
  10. Matsueda, Satoshi; Hirai, Akimasa; Taki, Kenichi; Narita, Keiichi; Yabuzaki, Yuji; Ochiai, Daisuke, Exhaust gas purification catalyst.
  11. Nakamura, Masanori; Suga, Katsuo, Exhaust gas purifying catalyst and method for manufacturing the same.
  12. Matsumoto, Takeshi; Horiuchi, Makoto; Yoshikawa, Tatsuya, Exhaust gas purifying catalyst and method for purifying exhaust gas.
  13. Mishima, Takahiro; Uetani, Masatoshi, Exhaust gas purifying catalyst, exhaust gas purification device and filter, and method for producing said catalyst.
  14. Takeuchi, Masashi; Ori, Hirotaka, Hydrogen sulfide generation-suppressed catalyst.
  15. Jung, Chang Ho, LNT catalyst with enhanced nitrogen oxide storage capacity at low temperature.
  16. Qi, Gongshin; Oh, Se H.; Li, Wei, Low-temperature oxidation catalysts.
  17. Jantsch, Uwe; Lund, Jonathan; Gorywoda, Marek; Kraus, Marcus, Method for the decomposition of N.
  18. Jen,Hungwen; Surnilla,Gopichandra; Goralski, Jr.,Christian; Theis,Joseph; Ura,Justin, Minimization of purge NOrelease from NOtraps by optimizing the oxygen storage capacity.
  19. Cai, Mei; Feng, Lee Lizhong; Ruthkosky, Martin S.; Rogers, Jerry Dale, Nanostructured catalyst particle/catalyst carrier particle system.
  20. Nagaoka, Daiji; Gabe, Masashi, Nitrogen oxide purification system.
  21. Qi, Gongshin; Johnson, John T.; Oh, Se H.; Li, Wei, Perovskite based oxygen storage materials.
  22. Basile,Francesco; Fornasari,Giuseppe; Vaccari,Angelo; Del Gallo,Pascal; Gary,Daniel, Perovskite catalyst for the partial oxidation of natural gas.
  23. Gandhi, Haren S; Li, Jun (John); Hurley, Ronald Gene, Perovskite catalyst system for lean burn engines.
  24. Muβmann, Lothar; Söger, Nicola; Sesselmann, Ralf; Adelmann, Katja; Schneider, Wolfgang, Structured automotive catalyst with improved thermal ageing stability.
  25. Kim, Chang H; Li, Wei; Blint, Richard J., Sulfur tolerant perovskite supported catalysts.
  26. Nunan, John G.; Klingmann, Raoul; Andersen, Ryan J.; Clark, Davion Onuga; Moser, David Henry, Three-way catalyst having an upstream single-layer catalyst.
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