Patent ID: 7892623
Filing Date: 2011-02-22
Classification: B01D,B01J,C04B,F01N,Y02T,Y10T

Abstract:
1. A honeycomb structured body, comprising: a plurality of straight pillar-shaped honeycomb units each having a longitudinal direction and a large number of cells placed in parallel in the longitudinal direction with a cell wall therebetween; and a sealing material layer through which said plurality of the straight pillar-shaped honeycomb units are bound to one another; wherein: a specific surface area per unit volume of the honeycomb structured body is larger than or equal to 37884 m each of said honeycomb units comprises inorganic particles and inorganic fibers and/or whiskers, a cross-sectional area of each of said straight pillar-shaped honeycomb units on a cross section perpendicular to the longitudinal direction is at least about 5 cm each of said straight pillar-shaped honeycomb units including side surfaces having a region not in contact with said sealing material layer, hereby a length of said region is at least about 0.3% and at most about 5% of the length of said honeycomb structured body.