Filter, method of manufacturing the same, and exhaust gas...

Details Filter, method of manufacturing the same, and exhaust gas... Filter, method of manufacturing the same, and exhaust gas...

2007-12-25

2007-12-25

Greene, Jason M. (Department: 1724)

Gas separation

Specific media material

Ceramic or sintered

C055S282200, C055S282300, C055S385300, C055S524000, C055SDIG007, C055SDIG010, C055SDIG030, C060S297000, C060S311000, C264S628000, C264S630000, C264SDIG048, C427S215000

Reexamination Certificate

active

11335695

ABSTRACT:
Ceramic particles, fine particles having smaller average particle diameter smaller than that of the ceramic particles and a reduction-resistant material are mixed to obtain a puddle. The reduction-resistant material is a material that is reduced by carbon at a higher temperature as compared with a temperature at which an oxide (for example, silica) of an element contained in the ceramic particles is reduced. The average particle diameter of the ceramic particles is preferably about in a range of 5 to 100 μm and the average particle diameter of the fine particles is preferably about in a range of 0.1 to 10 μm. The reduction-resistant material is, for example, alumina. This puddle is extrusion molded into a honeycomb filter and the molded object is sintered at about 1600 to 2200° C.

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U.S. Appl. No. 11/289,611.
U.S. Appl. No. 11/335,695.
Not assigned (Con of PCT/JP2005/0).
U.S. Appl. No. 11/712,410, unpublished.
English Translation—PCT International Preliminary Report on Patentability re PCT/JP2005/012144, 2006.
Related case list, no date.

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