Patent ID: 9409826
Filing Date: 2016-08-09
CPC Classification: B01D,B01J,B29C,C04B,Y10T

Claim Text:
1. A porous ceramic honeycomb article comprising: a primary cordierite phase; an intercrystalline glass phase; an as-fired microcrack parameter Nb a coated microcrack parameter Nb after the porous ceramic honeycomb article is exposed to a thermal treatment at a temperature ≧800° C. following washcoating and calcining, at least a first portion of the porous ceramic honeycomb article has a first treated microcrack parameter Nb wherein the primary cordierite phase comprises domains of cordierite crystallites having an average domain length parameter ≧40 microns, wherein the cordierite crystallites within the domains have a sub-parallel orientation with one another, and an orientation of the cordierite crystallites within the domains differs between adjacent domains.