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Three-way catalysts of improved efficiency 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01J-021/04
  • B01J-023/10
  • B01J-023/42
  • B01J-023/89
출원번호 US-0772296 (1985-09-04)
발명자 / 주소
  • Wan Chung-Zong (Somerset NJ) Dettling Joseph C. (Howell NJ)
출원인 / 주소
  • Engelhard Corporation (Menlo Park NJ 02)
인용정보 피인용 횟수 : 37  인용 특허 : 0

초록

A three-way catalyst of improved efficiency suitable for simultaneously oxidizing both gaseous hydrocarbons and carbon monoxide, while reducing nitrogen oxides is disclosed. The three-way catalyst includes alumina, a platinum group metal and a rare earth metal oxide having deposited thereon in intim

대표청구항

An improved catalyst active at least for oxidation of hydrocarbons and carbon monoxide in a gas stream, said catalyst being of the type having, dispersed on a refractory support, platinum, particles of ceria and high surface area alumina, wherein the improvement comprises: a p-type metal oxide being

이 특허를 인용한 특허 (37)

  1. Southward, Barry W. L.; Ellis, Curt, Base metal and base metal modified diesel oxidation catalysts.
  2. Southward, Barry W. L.; Ellis, Curt, Basic exchange for enhanced redox OS materials for emission control applications.
  3. Rieck Jeffrey S. (Jessup MD) Suarez Wilson (Columbia MD) Kubsh Joseph E. (Silver Spring MD), Catalyst and metal ferrites for reduction of hydrogen sulfide emissions from automobile exhaust.
  4. Dettling, Joseph C.; Wu, Joseph H-Z., Catalyst compositions employing sol gel particles and methods of using the same.
  5. Dettling, Joseph C.; Wu, Joseph H-Z., Catalyst compositions employing sol gel particles and methods of using the same.
  6. Nirisen, Øystein; Schöffel, Klaus; Waller, David; Øvrebø, Dag, Catalyst for decomposing nitrous oxide and method for performing processes comprising formation of nitrous oxide.
  7. Nirisen, Øystein; Schöffel, Klaus; Waller, David; Øvrebø, Dag, Catalyst for decomposing nitrous oxide and method for performing processes comprising formation of nitrous oxide.
  8. Yamada Hiroshi,JPX ; Takami Akihide,JPX ; Iwakuni Hideharu,JPX ; Kyogoku Makoto,JPX ; Okamoto Kenji,JPX, Catalyst for purifying exhaust gas and manufacturing method thereof.
  9. Nakamura, Masanori; Suga, Katsuo; Sekiba, Toru; Wakamatsu, Hironori; Shiratori, Kazuyuki; Yasuda, Hirofumi, Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder.
  10. Wakamatsu, Hironori; Nakamura, Masanori; Shiratori, Kazuyuki; Yasuda, Hirofumi; Suga, Katsuo; Sekiba, Toru, Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder.
  11. Yasuda, Hirofumi; Suga, Katsuo; Nakamura, Masanori; Wakamatsu, Hironori; Shiratori, Kazuyuki; Sekiba, Toru, Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder.
  12. Shiratori, Kazuyuki; Sekiba, Toru; Suga, Katsuo; Nakamura, Masanori; Wakamatsu, Hironori; Yasuda, Hirofumi, Catalyst powder, method of producing the catalyst powder, and exhaust gas purifying catalyst.
  13. Kim Gwan (Olney MD) Ernest Michael V. (Baltimore MD) Plecha Stanislaw (Baltimore MD), Catalysts for controlling auto exhaust emissions including hydrocarbon, carbon monoxide, nitrogen oxides and hydrogen su.
  14. Allen, Fred M.; Blosser, Patrick W.; Heck, Ronald M.; Hoke, Jeffrey B.; Pole, Terence C.; Steger, John J., Catalytic material for treating pollutant-containing gases.
  15. Bar-Ilan Amiram (Newton MA) Morrill ; III Martin E. (Stoughton MA), Catalytic washcoat and method of preparation of the same.
  16. Yamazaki, Masatoshi; Anno, Yuichi; Shinoda, Kiyoshi; Yashima, Isamu, Co-catalyst for purifying exhaust gas.
  17. Nakamura, Masanori; Suga, Katsuo, Exhaust gas purifying catalyst and method for manufacturing the same.
  18. Williamson W. Burton (Broken Arrow OK) Linden Douglas G. (Tulsa OK) Summers ; II Jack C. (Tulsa OK), High-temperature three-way catalyst for treating automotive exhaust gases.
  19. Allen Fred M. ; Blosser Patrick W. ; Heck Ronald M. ; Hoke Jeffrey B. ; Pole Terence C. ; Steger John J., Hydrophobic catalytic materials and method of forming the same.
  20. Allen, Fred M.; Blosser, Patrick W.; Heck, Ronald M.; Hoke, Jeffrey B.; Pole, Terence C.; Steger, John J., Hydrophobic catalytic materials and method of forming the same.
  21. Allen, Fred M.; Blosser, Patrick W.; Heck, Ronald M.; Hoke, Jeffrey B.; Poles, Terence C.; Steger, John J., Hydrophobic catalytic materials and method of forming the same.
  22. Hoke Jeffrey B. ; Novak John R. ; Steger John J. ; Poles Terence C. ; Quick L. Michael ; Heck Ronald M. ; Hu Zhicheng ; Durilla Michael, Method and apparatus for treating the atmosphere.
  23. Poles Terence C. ; Rosenberg William G. ; Calcagni John, Method and apparatus for treating the atmosphere.
  24. Poles, Terence C.; Rosenberg, William G.; Calcagni, John, Method and apparatus for treating the atmosphere.
  25. Takeshima, Shinichi; Koyama, Akio, Method for producing compound.
  26. Peters Alan W. ; Rudesill John A. ; Weatherbee Gordon Dean ; Rakiewicz Edward F. ; Barbato-Grauso Mary Jane A., NO.sub.x reduction compositions for use in FCC processes.
  27. Peters Alan W. ; Rudesill John A. ; Weatherbee Gordon Dean ; Rakiewicz Edward F. ; Barbato-Grauso Mary Jane A. ; Zhao Xinjin, NO.sub.x reduction compositions for use in FCC processes.
  28. Alan W. Peters ; John A. Rudesill ; Gordon Dean Weatherbee ; Edward F. Rakiewicz ; Mary Jane A. Barbato-Grauso, NOx reduction compositions for use in FCC processes.
  29. Peters Alan W. ; Rudesill John A. ; Weatherbee Gordon Dean ; Rakiewicz Edward F. ; Barbato-Grauso Mary Jane A. ; Zhao Xinjin, NOx reduction compositions for use in FCC processes.
  30. Onishi, Junya; Yamazaki, Shinobu; Ishihara, Kazuya; Inoue, Yushi; Tamai, Yukio; Awaya, Nobuyoshi, Non-volatile semiconductor device.
  31. Kojima Takao,JPX ; Minoha Ken,JPX ; Yamano Masaru,JPX, Poisoning resistant catalyst for exhaust gas converters.
  32. Nakamura, Masanori; Wakamatsu, Hironori; Suga, Katsuo; Sekiba, Toru, Powdery catalyst, exhaust-gas purifying catalyzer, and powdery catalyst production method.
  33. Peters Alan W. ; Rakiewicz Edward F. ; Weatherbee Gordon Dean ; Zhao Xinjin, Reduced NO.sub.x combustion promoter for use in FCC processes.
  34. Alan W. Peters ; Edward F. Rakiewicz ; Gordon Dean Weatherbee ; Xinjin Zhao, Reduced NOx combustion promoter for use in FCC processes.
  35. Hoke, Jeffrey B.; Allen, Fred M.; Blosser, Patrick W.; Hu, Zhicheng; Heck, Ronald M., Stable slurries of catalytically active materials.
  36. Watson, Junko M.; Daly, Francis P.; Wang, Yong; Perry, Steven T.; Tonkovich, Anna Lee; Fitzgerald, Sean P.; Silva, Laura J.; Taha, Rachid; de Alba, Enrique Aceves; Chen, Ya-Huei; Rozmiarek, Robert; Li, XiaoHong, Steam reforming method.
  37. Hoke,Jeffrey B.; Allen,Fred M.; Blosser,Patrick W.; Hu,Zhicheng; Heck,Ronald M., Vehicle having atmosphere pollutant treating surface.
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