Low pressure drop extruded catalyst filter
US9764284B2 · kind B2 · utility
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5References
6Claims
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Key dates
| Filing date | Apr 16, 2013 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Oct 14, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2257/404
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A batch composition for making a highly porous honeycomb ceramic catalytic filter article, including base inorganic components including a mixture of a nano-zeolite powder, and an inorganic filler, in amounts defined herein; and super additives including: a mixture of at least two pore formers; a binder; and a metal salt, in amounts defined herein. Also disclosed are extruded catalyst filter articles and methods for making the articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.