Paladium-containing three-way automotive catalysts having unique support
US5672557A · kind A · utility
13Cited by
3References
8Claims
0Family size
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Key dates
| Filing date | Mar 29, 1996 |
| Grant date | Sep 30, 1997 |
| Priority date | — |
| Expiry date | Mar 29, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A palladium three-way catalyst is supported on a unique ceria-lanthana-alumina support where the alumina content is lower than previously believed necessary to maintain catalyst activity. Preferably the ceria and lanthana constitute the major proportion of the support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.