Manganese containing oxygen storage component comprising three-way catalyst composition
US7396516B2 · kind B2 · utility
9Cited by
20References
20Claims
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Key dates
| Filing date | Nov 20, 2001 |
| Grant date | Jul 8, 2008 |
| Priority date | — |
| Expiry date | Jan 25, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A three-way catalyst (TWC) composition comprises a manganese-containing oxygen storage component (OSC) and at least one optionally doped alumina wherein where the at least one alumina is gamma-alumina it is doped with at least one of a rare earth metal, silicon, germanium, phosphorus, arsenic, calcium, strontium or barium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.