Burned gas purifying catalyst
US6420306B2 · kind B2 · utility
11Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1998 |
| Grant date | Jul 16, 2002 |
| Priority date | — |
| Expiry date | Nov 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust gas emission control catalyst includes an under catalyst layer containing at least one of barium and lanthanum and an over catalyst layer containing an agent for absorbing water in a gas, at least one of the under catalyst layer and over catalyst layer containing catalytic metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.