Filter catalyst
US7622419B2 · kind B2 · utility
0Cited by
22References
3Claims
0Family size
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Inventors
Key dates
| Filing date | Feb 10, 2005 |
| Grant date | Nov 24, 2009 |
| Priority date | — |
| Expiry date | Jul 4, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
To provide a filter catalyst in which the closure of ventilation holes by a catalytic layer is inhibited. A filter catalyst of the present invention is characterized in that it has pores of 1-20 μm in a porosity of 11% or more. The filter catalyst of the present invention has an effect of being capable of inhibiting the rise of pressure loss when sufficient particulates deposit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.