Silicon-carbide-based inorganic fiber
US5948714A · kind A · utility
2Cited by
9References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 25, 1997 |
| Grant date | Sep 7, 1999 |
| Priority date | — |
| Expiry date | Aug 25, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/571
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A silicon-carbide-based inorganic fiber not only excellent in mechanical properties but also excellent in alkali durability and heat resistance, containing at least 0.1% by weight of a metal atom which is at least one member selected from the group consisting of metals belonging to Groups 2A, 3A and 3B of the periodic table and whose oxide exhibits amphoterism or basicity, having an oxygen content of 17% by weight or less, having an atomic ratio of carbon to silicon (C/Si) in the range of from 1 to 1.7, and having a density of less than 2.7 g/cm.sup.3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.