High-temperature three-way catalyst for treating automotive exhaust gases
US5041407A · kind A · utility
28Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1989 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Dec 14, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A three-way catalyst for use in treating automotive exhaust gases employs a delta alumina support which contains oxides of cerium plus barium and/or lanthanum, plus at least one Group VIII noble metal from the group consisting of platinum, palladium, rhodium, ruthenium and iridium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.