Method for preparing composite oxide having oxygen absorbing and desorbing capability
US5582785A · kind A · utility
15Cited by
3References
21Claims
0Family size
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Key dates
| Filing date | Oct 2, 1995 |
| Grant date | Dec 10, 1996 |
| Priority date | — |
| Expiry date | Oct 2, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/82
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for preparing a composite oxide having oxygen absorbing and desorbing capability involves the steps of: providing a starting composite oxide comprising cerium oxide, zirconium oxide, and hafnium oxide; subjecting the starting composite oxide to heating-deoxidation to give a deoxidized composite oxide; and subjecting the deoxidized composite oxide to heating-oxidation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.