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Thermally stable/highly reducible catalyst compositions comprising alumina and the oxides of cerium and zirconium 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01J-023/00
  • B01J-023/16
  • B01J-023/08
  • B01J-020/00
출원번호 US-0452711 (1995-05-30)
우선권정보 FR-0006447 (1994-05-27)
발명자 / 주소
  • Chopin Thierry,FRX
  • Touret Olivier,FRX
  • Vilmin Gabriel
출원인 / 주소
  • Rhone-Poulenc Chimie, FRX
대리인 / 주소
    Burns, Doane, Swecker & Mathis, L.L.P.
인용정보 피인용 횟수 : 28  인용 특허 : 15

초록 ▼

Thermally stable/highly reducible catalyst compositions, well suited for the catalytic conversion of exhaust gases emanating from internal combustion engines notably vehicular exhaust gases, comprise alumina, the oxides of cerium praseodymium and zirconium, and, optionally, at least one other oxide

대표청구항

[ What is claimed is:] [1.] A thermally stable/reducible powder composition of matter comprising alumina and the oxides of cerium, praseodymium and zirconium, and exhibiting a stabilized hydrogen-absorption capacity up to a temperature of at least 1,000.degree. C.

이 특허에 인용된 특허 (15)

  1. Ozawa Masakuni (Kasugai JPX) Kimura Mareo (Nagoya JPX) Isogai Akio (Nagoya JPX) Matsumoto Shinichi (Aichi JPX) Miyoshi Naoto (Nagoya JPX), Catalyst for purification of exhaust gases.
    상세보기
  2. Shiraishi Eiichi (Himeji JPX) Baba Hideyuki (Himeji JPX) Tsuchitani Kazuo (Himeji JPX) Ohata Tomohisa (Himeji JPX), Catalyst for purifying automotive exhaust gas.
    상세보기
  3. Domesle Rainer (Maintal DEX) Engler Bernd (Hanau DEX) Koberstein Edgar (Alzenau DEX) Schubert Peter (Hanau DEX), Catalyst for purifying exhaust gases from internal combustion engines and method of making the catalyst.
    상세보기
  4. Bozon Alfred (Erlensee DEX) Koberstein Edgar (Alzenau DEX) Pletka Hans-Dieter (Freigericht DEX) Vlker Herbert (Hanau DEX) Lakatos Eduard (Rheinfelden-Eichsel DEX), Catalyst for the purification of exhaust gases of internal combustion engines.
    상세보기
  5. Lox Egbert (Hanau DEX) Koberstein Edgar (Alzenau DEX) Engler Bernd (Hanau DEX), Catalyst for the purification of exhaust gases of internal combustion engines with reduction of hydrogen sulfide emissio.
    상세보기
  6. Durand Daniel,FRX ; Mabilon Gil,FRX ; Mouchot Paul,FRX, Catalysts for reducing nitrogen oxides to molecular nitrogen in a superstoichiometric medium of oxidizing compounds, pr.
    상세보기
  7. Chopin Thierry,FRX ; Touret Olivier,FRX, Cerium/zirconium mixed oxide catalysts having high/stable specific surface areas.
    상세보기
  8. Kennelly Teresa ; Hochmuth John K. ; Chou Ting C. ; Farrauto Robert J., Combustion catalysts containing binary oxides and processes using the same.
    상세보기
  9. Funabiki Masaki (Mishima) Kayano Kunihide (Numazu) Yamada Teiji (Numazu JPX), Exhaust gas-purifying catalyst excellent in heat resistance and process for preparation thereof.
    상세보기
  10. Fischer Rolf,DEX ; Irgang Matthias,DEX ; Schnurr Werner,DEX ; Wulff-Doring Joachim,DEX, Preparation of aromatic aldehydes.
    상세보기
  11. Takatori Kazumasa,JPX ; Watanabe Naoyoshi,JPX ; Sobukawa Hideo,JPX ; Doi Haruo,JPX, Process for producing composite oxide powder containing cerium and zirconium.
    상세보기
  12. Durand Daniel,FRX ; Mabilon Gil,FRX ; Guibard Isabelle,FRX, Production process for catalysts on supports including a centrifuging step for the support after coating.
    상세보기
  13. Ziebarth Michael S. (Columbia MD) Hager Michael J. (Caraopolis PA) Beeckman Jean W. (Columbia MD) Plecha Stanislaw (Baltimore MD), SOx/NOx sorbent and process of use.
    상세보기
  14. Chopin Thierry (Saint Denis FRX) Vilmin Gabriel (Princeton NJ), Zirconium/cerium mixed oxide catalyst/catalyst support compositions having high/stable specific surfaces.
    상세보기
  15. Chopin Thierry (Saint Denis NJ FRX) Vilmin Gabriel (Princeton NJ), Zirconium/cerium mixed oxide catalyst/catalyst support compositions having high/stable specific surfaces.
    상세보기

이 특허를 인용한 특허 (28)

  1. Verdier, Stephan; Criniere, Guillaume; Ifrah, Simon; Jorge Coelho Marques, Rui, Catalyst compositions based on nanoparticles of a zirconium oxide, a titanium oxide or a mixed zirconium/titanium oxide deposited onto an alumina or aluminum oxyhydroxide support therefor.
    상세보기
  2. Chen, Shau-Lin F.; Gramiccioni, Gary A.; Feng, Wiley; An, Eric; Zhao, Scott, Catalyst materials.
    상세보기
  3. Gramiccioni, Gary A.; Siemund, Stephan; Chen, Shau-Lin F.; Brown, Kenneth, Catalyst materials.
    상세보기
  4. Campbell Larry E. ; Wagner Gregory J., Catalyst/sorber for treating sulfur compound containing effluent.
    상세보기
  5. Schermanz, Karl; Sagar, Amod; Schöneborn, Marcos; Glöckler, Reiner; Dallmann, Kai; Alber, Frank; Rolfs, Sönke, Ceria zirconia alumina composition with enhanced thermal stability.
    상세보기
  6. Yamazaki, Masatoshi; Anno, Yuichi; Shinoda, Kiyoshi; Yashima, Isamu, Co-catalyst for purifying exhaust gas.
    상세보기
  7. Michiaki, Yoshiyuki; Horikawa, Yoshichika, Complex oxide for exhaust gas purification catalyst, production method thereof, coating material for exhaust gas purification catalyst, and diesel exhaust gas purification filter.
    상세보기
  8. Murota, Tadatoshi, Composite oxide.
    상세보기
  9. Blanchard, Gilbert; Quemere, Eric, Composition based on cerium oxide or on cerium and zirconium oxides, in the extruded form, process for the preparation thereof and use thereof as catalyst.
    상세보기
  10. Deeba Michel ; Speronello Barry K., Composition for oxidizing carbon monoxide in the presence of sulfur compounds with reduced formation of SO.sub.3 from SO.sub.2.
    상세보기
  11. Larcher, Olivier; Rohart, Emmanuel, Compositions based on cerium oxide, zirconium oxide and, optionally, another rare earth oxide, having a specific raised surface at 1100° C, method for the production and use thereof as a catalyst.
    상세보기
  12. Chigapov,Albert Nazipovich; Graham,George Wade; Gandhi,Haren Sakaral; Jen,Hung Wen, Exhaust gas catalyst and method of manufacturing same.
    상세보기
  13. Aozasa Shigeru,JPX, Method for preparing a zirconium-cerium composite oxide.
    상세보기
  14. Schoneborn, Marcos; Glockler, Reiner; Paeger, Anja, Method for producing composites of aluminum oxide and cerium/zirconium mixed oxides.
    상세보기
  15. Jordan, Jeffrey D.; Schryer, David R.; Davis, Patricia P.; Leighty, Bradley D.; Watkins, Anthony N.; Schryer, Jacqueline L.; Oglesby, Donald M.; Gulati, Suresh T.; Summers, Jerry C., Methodology for the effective stabilization of tin-oxide-based oxidation/reduction catalysts.
    상세보기
  16. Schweizer,Albert E.; Jones,Mark E.; Hickman,Daniel A., Oxidative halogenation and optional dehydrogenation of c3+hydrocarbons.
    상세보기
  17. Luo, Tian; Deeba, Michel, Oxygen storage catalyst with decreased ceria reduction temperature.
    상세보기
  18. Gulotty, Jr., Robert J.; Jones, Mark E.; Hickman, Daniel A., Oxyhalogenation process using catalyst having porous rare earth halide support.
    상세보기
  19. Gulotty, Jr., Robert J.; Jones, Mark E.; Hickman, Daniel A., Oxyhalogenation process using catalyst having porous rare earth halide support.
    상세보기
  20. Larcher, Olivier; Francis, Francis; English, Thomas; Ifrah, Simon; Polli, Andrew, Porous inorganic composite oxide.
    상세보기
  21. Campbell, Larry E.; Wagner, Gregory J., Process and catalyst/sorber for treating sulfur compound containing effluent.
    상세보기
  22. Oljaca, Miodrag; Kodas, Toivo T.; Bontchev, Ranko P.; Kunze, Klaus; Koehlert, Kenneth C., Process for producing exhaust treatment catalyst powders, and their use.
    상세보기
  23. Jones, Mark E.; Olken, Michael M.; Hickman, Daniel A., Process for the conversion of ethylene to vinyl chloride and novel catalyst compositions useful for such process.
    상세보기
  24. Hickman, Daniel A.; Henley, John P.; Jones, Mark E.; Marshall, Kenric A.; Reed, Daniel J.; Clarke, William D.; Olken, Michael M.; Walko, Lee E., Process for vinyl chloride manufacture from ethane and ethylene with immediate HCl recovery from reactor effluent.
    상세보기
  25. Henley, John P.; Jones, Mark E.; Hickman, Daniel A.; Marshall, Kenric A.; Reed, Daniel J.; Clarke, William D.; Olken, Michael M.; Walko, Lee E., Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent.
    상세보기
  26. Jordan,Jeffrey D.; Schryer,David R.; Davis,Patricia P.; Leighty,Bradley D.; Watkins,Anthony Neal; Schryer,Jacqueline L.; Oglesby,Donald M.; Gulati,Suresh T.; Summers,Jerry C., Stabilized tin-oxide-based oxidation/reduction catalysts.
    상세보기
  27. Chang, Hsiao-Lan; Chen, Hai-Ying, Three-way catalyst and its use in exhaust systems.
    상세보기
  28. Narula Chaitanya Kumar, Transition metal oxides useful in fabrication of NOx absorbent formulations.
    상세보기

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