Methods of making stabilized crystalline alumina compositions, and alumina compositions and catalyst supports made therefrom
US5972820A · kind A · utility
24Cited by
8References
18Claims
0Family size
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Key dates
| Filing date | Jan 19, 1999 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | Jan 19, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/776
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Methods of making substantially phase-pure and thermally stable crystalline alumina compositions stabilized with an oxide of silicon, germanium, phosphorus, arsenic or a mixture thereof. Also provided are crystalline alumina compositions and catalyst supports made using these methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.