NOx filter

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier

Reexamination Certificate

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Details

C422S171000, C422S173000, C422S180000

Reexamination Certificate

active

06855297

ABSTRACT:
A filter includes a catalyst for oxidizing NOx to NO2and an alkaline for adsorbing the NO2.

REFERENCES:
patent: 5362463 (1994-11-01), Stiles et al.
patent: 5656244 (1997-08-01), Cole
patent: 5795553 (1998-08-01), Lott et al.
patent: 5849254 (1998-12-01), Suzuki et al.
patent: 0764460 (1996-09-01), None
patent: 0625368 (1994-11-01), None
patent: 0722763 (1996-07-01), None
patent: WO 9427710 (1994-12-01), None
Patent Abstracts of Japan, Pub. No. 07000743 (Takumo Sogo Kenkyusho), Jun. 1, 1995.
Patent Abstracts of Japan, Pub. No. 04176335 A(Kawasaki Hevy Ind Ltd), Jun. 24, 1992.
Reversible Sorption of NO in Mn-Zr Oxide, Eguci et al. Journal of Catalysis Article No, 0043, vol. 158, pp. 420-26 (1996).

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