Process for preparing catalyst
US4122039A · kind A · utility
14Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1977 |
| Grant date | Oct 24, 1978 |
| Priority date | — |
| Expiry date | May 12, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for preparing a catalyst which involves coating a support with a first solution containing a platinum or palladium salt and a rhodium salt, calcining, further coating the calcined support with a second solution containing a salt of ruthenium and an oxide, salt or acid of phosphorus and then further calcining.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.