Palladium-contaning oxidation catalyst
US8263033B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2010 |
| Grant date | Sep 11, 2012 |
| Priority date | — |
| Expiry date | Feb 23, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2258/01
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
According to one aspect of the present invention, a palladium-containing oxidation catalyst is provided. In one embodiment, the palladium-containing oxidation catalyst includes a first zone having a first PGM catalyst loading with a platinum (Pt) to palladium (Pd) weight ratio of no greater than 10.0; and a second zone disposed next to the first zone. In another embodiment, the second PGM catalyst loading has a palladium (Pd) to platinum (Pt) weight ratio of no greater than 4.0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.