Honeycomb filter

Details Honeycomb filter Honeycomb filter

2007-03-13

2009-06-23

Greene, Jason M (Department: 1797)

Gas separation

Specific media material

Ceramic or sintered

C055S282300, C055S385300, C055S428000, C055S484000, C055S524000, C055SDIG007, C055SDIG010, C055SDIG030, C060S299000, C060S311000, C428S116000

Reexamination Certificate

active

07550026

ABSTRACT:
A honeycomb filter includes at least one pillar-shape honeycomb structured body including a plurality of cells partitioned by partitions, and plugs for sealing upstream openings of a plurality of first cells selected from the plurality of cells and for sealing downstream openings of a plurality of second cells selected from the plurality of cells. Each of the plugs is formed of a material having a greater total content of aluminum, iron, boron, silicon, and free carbon than a material forming the honeycomb structured body.

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