Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Reexamination Certificate
2005-01-18
2008-08-12
Caldarola, Glenn (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
C422S168000, C422S177000
Reexamination Certificate
active
07410621
ABSTRACT:
According to the present invention a catalyst substrate is provided with a peripheral mantle extending thereabout and having opposite end walls between which the substrate is disposed. At least one of the end walls acts as a forward seal which is maintained in close proximity with a corresponding sealing surface toward an inlet end of the catalytic converter housing. A retaining member is provided which maintains the sealing surfaces In close proximity to define a labyrinth seal therebetween.
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Communication from European Patent Office re: related application.
Liu Haiqing (Henry)
Muter John P.
Caldarola Glenn
DCL International Inc.
Duong Tom
Harness & Dickey & Pierce P.L.C.
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