Honeycomb filter for clarifying exhaust gas and method for...

Details Honeycomb filter for clarifying exhaust gas and method for... Honeycomb filter for clarifying exhaust gas and method for...

2004-07-09

2009-08-18

Sample, David R (Department: 1794)

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

C501S153000, C501S154000, C501S136000, C501S108000, C428S301100, C423S213200, C264S630000

Reexamination Certificate

active

07575792

ABSTRACT:
A honeycomb filter, for removing from exhaust gas fine solid particles containing carbon, is an aluminum magnesium titanate sintered product obtained by firing at from 1000 to 1700° C. a product formed from a mixture comprising a Mg-containing compound, an Al-containing compound and a Ti-containing compound in the same metal component ratio as the metal component ratio of Mg, Al and Ti in aluminum magnesium titanate represented by the empirical formula MgxAl2(1−x)Ti(1+x)O5(wherein 0<x<1), or a mixture comprising 100 parts by mass, as calculated as oxides, of the above-mentioned mixture and from 1 to 10 parts by mass of an alkali feldspar represented by the empirical formula (NayK1−y)AlSi3O8(wherein 0≦y≦1).

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