Honeycomb structure

Details Honeycomb structure Honeycomb structure

2006-11-21

2006-11-21

Greene, Jason M. (Department: 1724)

Gas separation

Specific media material

Ceramic or sintered

C055S282200, C055S282300, C055S385300, C055S524000, C055SDIG010, C055SDIG030, C428S116000, C060S311000, C502S439000

Reexamination Certificate

active

07138003

ABSTRACT:
A honeycomb structure comprising porous partition walls disposed so as to form a plurality of cells extending in an axial direction. In the honeycomb structure, defining that a porosity and pore diameter of the partition walls in a central portion is (Pi) and (Di), a porosity and pore diameter of the partition walls in an outer peripheral portion is (Po) and (Do), (Pi) and (Po) have a relation of (Pi<Po); or (Pi) and (Po) have a relation of (Pi>Po) and (Di) and (Do) have a relation of (Di<Do).

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