Porous washcoat-bonded fiber substrate
US7897255B2 · kind B2 · utility
10Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2007 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Jul 12, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2942
- WIPO fieldChemical engineering
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.