Ceria-zirconia complex oxide material and method for producing same
US9751075B2 · kind B2 · utility
2Cited by
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1Claims
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Key dates
| Filing date | Jun 12, 2015 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Jun 16, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/82
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A satisfactory oxygen storage material and a method for producing it are provided. The oxygen storage material comprises zirconia particles with a ceria-zirconia complex oxide supported on the zirconia particles. The ceria-zirconia complex oxide includes a pyrochlore phase and has a mean crystallite diameter of 10 nm to 22.9 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.