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Catalyst for removing hydrocarbons from exhaust gas and method for purification of exhaust gas 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01J-023/42
  • B01J-023/44
  • B01J-023/00
  • B01J-021/04
  • B01J-021/00
출원번호 US-0838552 (2004-05-04)
등록번호 US-7371706 (2008-05-13)
우선권정보 JP-10-56867(1998-03-09); JP-10-354422(1998-12-14); JP-11-17410(1999-01-26); JP-11-17415(1999-01-26)
발명자 / 주소
  • Ohtsuka,Hirofumi
  • Tabata,Takeshi
  • Nakahira,Takatoshi
  • Masuda,Masataka
  • Hirano,Takenori
출원인 / 주소
  • Osaka Gas Company Limited
대리인 / 주소
    Kratz, Quintos & Hanson, LLP
인용정보 피인용 횟수 : 4  인용 특허 : 50

초록 ▼

A catalyst for removing hydrocarbons from exhaust gas containing methane and an excess of oxygen, which comprises palladium or palladium/platinum supported on at least one carrier selected from zirconia, sulfated zirconia and tungsten-zirconia, and a method for treating exhaust gas using the catalys

대표청구항 ▼

The invention claimed is: 1. A catalyst for removing methane from exhaust gas containing methane, sulfur dioxide, and an excess of oxygen, which comprises palladium directly supported on a carrier consisting essentially of zirconia having a specific surface area of 5 to 50 m2/g. 2. The catalyst a

이 특허에 인용된 특허 (50)

  1. Acres Gary James Keith (London EN), Catalysis.
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  2. Horiuchi Makoto (Hyogo JPX) Saito Koichi (Hyogo JPX), Catalyst for purification of exhaust gas from diesel engine.
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  4. McLaughlin David F. (Oakmont PA) Skriba Michael C. (Pittsburgh PA), Catalyst preparation using supercritical solvent.
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  5. Bhasin Madan Mohan ; Jarrell Michael Scott, Catalysts comprising substantially pure alpha-alumina carrier for treating exhaust gases.
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  13. Umemoto Yoshichika,JPX ; Nakatani Toshio,JPX ; Ohuchi Kimio,JPX, Cerium- and zirconium-based mixed oxide, method of producing same and catalyst material for exhaust gas purification.
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  14. Ernest Michael V. (Catonsville MD) Denton Dean A. (Baltimore MD) Carman Richard A. (Green Bay WI), Chrome/platinum/palladium catalyst for hydrocarbon emission control.
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  15. Euzen Patrick,FRX ; Tocque Eric,FRX ; Rebours Stephane,FRX ; Mabilon Gil,FRX, Combustion catalyst and combustion process using such a catalyst.
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  16. Sachtler Wolfgang M. H. ; Huang Yin-Yan, Crystalline mesoporous zirconia catalysts having stable tetragonal pore wall structure.
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  20. Dieter Lindner DE; Renee Van Yperen DE; Lothar Mussmann DE; Egbert Lox DE; Thomas Kreuzer DE, Exhaust gas treatment catalyst for internal combustion engines with two catalytically active layers on a carrier structure.
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  21. Soled Stuart L. (Pittstown NJ) Gates William E. (Lebanon Township ; Hunterdon County NJ) Iglesia Enrique (Moraga CA), Group VIII metal containing tungsten oxide silica modified zirconia as acid catalyst.
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  22. Nakazawa Masahiro (Tokyo JPX), Handle fitting structure for packaging box.
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  23. Abe Fumio (Handa JPX) Susuki Junichi (Kuwana JPX), Honeycomb heater and catalytic converter.
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  26. Onal Isik (Arlington Heights IL), Lead-tolerant catalyst system for treating exhaust gas containing lead compounds.
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  27. Gardner Timothy J. ; Lott Stephen E. ; Lockwood Steven J. ; McLaughlin Linda I., Material and system for catalytic reduction of nitrogen oxide in an exhaust stream of a combustion process.
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  32. Moser Mark D. (Elk Grove Village IL) Lawson R. Joe (Palatine IL), Method of stabilizing a reforming catalyst.
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  33. Deeba Michel (North Brunswick NJ) Chen James M. (Edison NJ) Lui Yiu K. (Parlin NJ) Speronello Barry K. (Belle Mead NJ), Oxidation catalyst resistant to sulfation.
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  40. Euzen Patrick,FRX ; Tocque Eric,FRX ; Rebours Stephane,FRX ; Mabilon Gil,FRX, Process for catalytic combustion of a fuel in the presence of a non-selective oxidation catalyst.
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  44. Reinalda Donald (Amsterdam NLX) Blankenstein Paul (Amsterdam NLX), Process for the preparation of zirconia-based catalyst.
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  48. Peratello Stefano,ITX ; Carati Angela,ITX, Superacid catalyst for the hydroisomerization of n-paraffins and process for its preparation.
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  50. Dobson Douglas A. ; Hubbard Carolyn Parks ; Watkins William Lewis Henderson, Zirconia and sulfate in NOx traps to improved trapping and sulfur tolerance.
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이 특허를 인용한 특허 (4)

  1. LaBarge, William J., Drying method for exhaust gas catalyst.
    상세보기
  2. Caldeira, Kenneth G.; Hyde, Roderick A.; Ishikawa, Muriel Y.; Kare, Jordin T.; Latham, John; Myhrvold, Nathan P.; Salter, Stephen H.; Tegreene, Clarence T.; Tuckerman, David B.; Weaver, Thomas Allan; Whitmer, Charles; Wood, Jr., Lowell L.; Wood, Jr., Victoria Y. H., Nasal passage insertion device for treatment of ruminant exhalations.
    상세보기
  3. Sobolevskiy, Anatoly; Rossin, Joseph A.; Knapke, Michael J., Process of activation of a palladium catalyst system.
    상세보기
  4. Caldeira, Kenneth G.; Hyde, Roderick A.; Ishikawa, Muriel Y.; Kare, Jordin T.; Latham, John; Myhrvold, Nathan P.; Salter, Stephen H.; Tegreene, Clarence T.; Tuckerman, David B.; Weaver, Thomas Allan; Whitmer, Charles; Wood, Jr., Lowell L.; Wood, Victoria Y. H., Treatment of ruminant exhalations.
    상세보기

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