Auto exhaust gas catalyst, and process for production thereof
US4283308A · kind A · utility
26Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1979 |
| Grant date | Aug 11, 1981 |
| Priority date | — |
| Expiry date | Nov 6, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for producing an auto exhaust gas catalyst capable of simultaneously removing hydrocarbons, carbon monoxide and nitrogen oxides, which comprises depositing on a refractory inorganic support, 0.5 to 30 g of cerium, 0 to 20 g of iron, 0 to 10 g of lanthanum, 0.005 to 0.3 g of rhodium, 0.05 to 3.0 g of platinum, 0 to 1.2 g of palladium and 0 to 0.5 g of phosphorus as elements per liter of the finished catalyst in any desired sequence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.