Thermal shock and creep resistant porous mullite articles prepared from topaz and process for manufacture
US5340516A · kind A · utility
24Cited by
6References
1Claims
0Family size
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Key dates
| Filing date | Jul 16, 1993 |
| Grant date | Aug 23, 1994 |
| Priority date | — |
| Expiry date | Jul 16, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24149
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Particles of an interconnected three-dimensional network of bar-like topaz crystals are used as a reactant (with added silicon dioxide, or a mixture with added silicon dioxide and hydrated aluminum fluoride or added silicon dioxide, hydrated aluminum fluoride and alumina) to form mullite whisker honeycomb articles suitable as catalyst supports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.