Stock material or miscellaneous articles – Structurally defined web or sheet – Honeycomb-like
Reexamination Certificate
2011-01-11
2011-01-11
Baldwin, Gordon R (Department: 1784)
Stock material or miscellaneous articles
Structurally defined web or sheet
Honeycomb-like
C428S117000, C055S523000
Reexamination Certificate
active
07867598
ABSTRACT:
A honeycomb structure having porous partition walls having a large number of pores, formed so as to produce a plurality of cells each extending between the two ends of the honeycomb structure, and plugged portions formed so as to plug the cells at either one end of the honeycomb structure or at the insides of the cells, wherein the honeycomb structure has the partition walls of a permeability of 7×10−12to 4×10−8m2. The honeycomb structure can provide a honeycomb catalyst structure which is superior in purification efficiency, is low in pressure loss and can be mounted even in a limited space.
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Miyairi Yukio
Mizuno Yukio
Noda Naomi
Baldwin Gordon R
NGK Insulators Ltd.
Oliff & Berridg,e PLC
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