Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Reexamination Certificate
2007-01-23
2010-12-28
Duong, Tom (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
Reexamination Certificate
active
07858052
ABSTRACT:
A catalytic converter includes an inlet. A first sub-section of substrate is located a first distance from the inlet that includes a first catalyst coating having a first density. A second sub-section of substrate is located a second distance from the inlet that includes a second catalyst coating having a second density. The second distance is greater than the first distance and the second density is greater than the first density.
REFERENCES:
patent: 6475453 (2002-11-01), Mathes et al.
patent: 10141047 (1998-05-01), None
Duong Tom
GM Global Technology Operations Inc.
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