Catalyst for purifying exhaust gas and the process for manufacturing thereof
US4274981A · kind A · utility
75Cited by
7References
7Claims
0Family size
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Key dates
| Filing date | Jan 2, 1980 |
| Grant date | Jun 23, 1981 |
| Priority date | — |
| Expiry date | Jan 2, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/524
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst for purifying exhaust gas composed of a catalyst carrier coated with a metal oxide material containing a spinel metal oxide of the formula: MAl.sub.2 O.sub.4 wherein M is Sr, Mg, Cu, Mn, Mo, Zn, Fe, Co or Ni the metal oxide coated carrier further being coated with rhodium and platinum and/or palladium as catalytically active components. The catalytically active components also can include cerium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.