Oxidation and/or combustion catalyst for use in a catalytic exhaust system and process for its preparation
US5899678A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 9, 1998 |
| Grant date | May 4, 1999 |
| Priority date | — |
| Expiry date | Jan 9, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/514
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An oxidation and/or combustion catalyst comprising at least one metal or oxide thereof chosen from the group consisting of palladium, platinum, nickel, cobalt and iron which is in combination with zinc metal or zinc metal oxide so as to result in a catalyst having said metal or oxide thereof to zinc metal or zinc metal oxide in a molar ratio of 1:2 and the catalyst is in the form of a close admixture or alloy, the catalyst further comprising a rare earth metal oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.