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특허 상세정보

Coating for particulate filters

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/00    F01N-003/021    B01D-053/94    B01J-023/40    B01J-023/42    B01J-037/02    F01N-003/035    B01J-021/06    B01J-035/00   
출원번호 US-0304141 (2006-06-15)
등록번호 US-9765661 (2017-09-19)
국제출원번호 PCT/FI2006/000202 (2006-06-15)
§371/§102 date 20090220 (20090220)
국제공개번호 WO2007/144446 (2007-12-21)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Berggren Inc.
인용정보 피인용 횟수 : 0  인용 특허 : 16
초록

The invention relates to the coating of a particulate filter used in the treatment of exhaust or waste gases. In the manufacturing of the coating according to the invention, there is used a liquid-based sol, where the average particle size of the contained particles is below 100 nm, preferably below 50 nm.

대표
청구항

1. A particulate filter used in treatment of exhaust or waste gases, comprising: a coating comprisingi) a first sol, where the average particle size of the particles contained in the first sol is 50-100 nm, the dry matter content is 0.1-30% by weight and the first sol contains at least one oxide mixture selected from the group consisting of: an Al2O3 aluminum oxide and TiO2 titanium oxide mixture, where Al2O3:TiO2=3:1-10:1,an Al2O3 aluminum oxide and SiO2 silicon oxide mixture, where Al2O3:SiO2=1:1-4:1,a CeO2 cerium oxide and ZrO2 zirconium oxide mixture...

이 특허에 인용된 특허 (16)

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  2. Kimura Mareo,JPX ; Matsuoka Yoriko,JPX ; Sobukawa Hideo,JPX ; Fukui Masayuki,JPX ; Suda Akihiko,JPX ; Kandori Toshio,JPX ; Ukyo Yoshio,JPX. Catalyst for purifying exhaust gases and process for producing the same. USP1999085945369.
  3. Bitterlich, Stefan; Voβ, Hartwig; Schuch, Gunter; Diefenbacher, Armin; Noack, Manfred; Schäfer, Ronald; Voigt, Ingolf; Richter, Hannes; Caro, Jürgen. Composite membrane. USP2010077749414.
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  5. Fitch,Thomas M.; Entezarian,Majid; Johnson,James R.. Filtration media. USP2006037018449.
  6. Fitch,Thomas M.; Entezarian,Majid; Johnson,James R.. Filtration media. USP2006107115160.
  7. Fitch, Tom; Entezarian, Majid; Johnson, James R.. Filtration media of porous inorganic particles. USP2004116814783.
  8. Bernd Penth DE; Gerhard Hoerpel DE; Christian Hying DE. Gas filter, method for producing a gas filter and use of said gas filter. USP2002016340379.
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  12. Aozasa Shigeru,JPX. Method for preparing a zirconium-cerium composite oxide. USP2001016171572.
  13. Penth, Bernd; Hying, Christian; Hoerpel, Gerhard; Schmidt, Friedrich Georg. Permeable composite material, method for producing said composite material, and use of the same. USP2005016841075.
  14. Sasaki Yutaka (Kanagawa JPX) Nakamura Toshio (Kanagawa JPX) Utsumi Hiroshi (Kanagawa JPX) Murata Hiroshi (Kanagawa JPX) Nakamura Yoshimi (Kanagawa JPX). Process for producing antimony-containing oxide catalyst supported on silica for use in fluidized bed reaction. USP1986054590173.
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