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특허 상세정보

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Exhaust gas catalyst and method of manufacturing same

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01J-023/40    B01J-023/42    B01J-023/44    B01J-023/00   
미국특허분류(USC) 502/327; 502/302; 502/303; 502/304; 502/326; 502/333; 502/334; 502/339; 502/349; 502/439
출원번호 US-0144507 (2002-05-13)
발명자 / 주소
  • Shigapov, Albert Nazipovich
  • Graham, George Wade
  • Gandhi, Haren Sakaral
  • Jen, Hung-Wen
출원인 / 주소
  • Ford Global Technologies, LLC
대리인 / 주소
    Brooks Kushman P.C.
인용정보 피인용 횟수 : 9  인용 특허 : 52
초록
▼

An exhaust gas catalyst and method of manufacturing same. The invention provides for a cost-effective material which lowers the cold-start emissions from the exhaust of vehicles. The invention is a passive system which accelerates the light-off temperature of catalyst in a cost-effective fashion. The invention includes a method of manufacturing an exhaust gas catalyst capable of lowering cold-start emissions including the steps of providing an oxide mixture having praseodymium and cerium, doping about 0-10% weight zirconium and about 0-10% weight yttrium...

대표
청구항
▼

1. An exhaust gas catalyst supported on a monolithic substrate, the catalyst comprising:a solid solution oxide mixture formed from an aqueous solution including metal oxide precursors of praseodymium, cerium, and at least one metal selected from the group consisting of zirconium and yttrium, wherein the relative molar content of praseodymium to cerium is in the range of about 0.67:1 to about 1.5:1 the oxide mixture, and a precious metal added to the oxide mixture in an amount no greater than about 2 wt. %, the precious metal is selected from the group co...

인용문헌 (52)

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  9. Takada Toshihiro (Toyota JPX) Matsumoto Shinichi (Aichi JPX) Miyoshi Naoto (Nagoya JPX), Catalyst for purifying exhaust gases.
  10. Matsumoto Shinichi (Aichi JPX) Miyoshi Naoto (Nagoya JPX) Sato Masayasu (Osaka JPX), Catalyst for the purification of exhaust gases.
  11. Spooner James P. (Willow Grove PA) Stiles Alvin B. (Wilmington DE), Catalyst support material containing lanthanides.
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  51. Shigapov Albert Nazipovich,RUX ; Graham George Wade ; McCabe Robert Walter, Thermally stable, high-surface-area metal oxides made by organic templating.
  52. Wan Chung-Zong (Somerset NJ) Dettling Joseph C. (Howell NJ) Jagel Kenneth I. (Stanton NJ), Three-way catalyst for lean exhaust systems.

이 특허를 인용한 특허 (9)

  1. Arnold, Mirko; Kotrel, Stefan; Siani, Attilio; Siemund, Stephan; Schmitz, Thomas; Rabe, Burkhard; Gramiccioni, Gary A; Seel, Oliver; Neubauer, Torsten; Wassermann, Knut, Automotive catalyst composites having a two-metal layer.
  2. Kawamoto,Tomohiko; Fujita,Katsuyuki; Tokuyama,Tadashi; Shigetsu,Masahiko; Akamine,Masaaki; Kawabata,Hisaya; Iwakuni,Hideharu; Takami,Akihide, Exhaust gas purifying catalyst.
  3. Kuno, Oji, Method for preparing metal oxide particles and an exhaust gas purifying catalyst.
  4. Kuno,Oji, Method for preparing metal oxide particles and an exhaust gas purifying catalyst.
  5. Bradshaw, Heather; Norman, Colin, Oxygen storage component.
  6. Yoshida,Kohei; Takeshima,Shinichi, Particulate matter-oxidizing material and oxidizing catalyst.
  7. Matsuo,Yuichi; Furukawa,Atsushi; Suzuki,Norihiko; Kiguchi,Kazunori, Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for automobile exhaust gas.
  8. Matsuo,Yuichi; Furukawa,Atsushi; Suzuki,Norihiko; Kiguchi,Kazunori, Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for automobile exhaust gas.
  9. Suzuki,Norihiko; Matsuo,Yuichi; Kiguchi,Kazunori, Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for exhaust gas.

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