Porous washcoat-bonded fiber substrate

Details Porous washcoat-bonded fiber substrate Porous washcoat-bonded fiber substrate

2011-03-01

2011-03-01

Torres-Velazquez, Norca L (Department: 1786)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Staple length fiber

C428S375000, C428S378000, C428S379000, C428S380000, C264S176100, C264S638000

Reexamination Certificate

active

07897255

ABSTRACT:
A porous substrate and method of forming a porous substrate including providing a fiber material, providing at least one extrusion aid, and providing at least one washcoat precursor. The fiber material, the at least one extrusion aid and the at least one washcoat precursor are mixed to provide an extrudable batch. The extrudable batch is extruded into a green substrate. The green substrate is fired to form a porous rigid substrate and to form a washcoat at least partially coating the fiber material.

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“Catalytic Coating & Materials”,DieselNet Technology Guide—Emission Control Catalysts, www.DieselNet.com,(Jun. 2005).

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