High density fused silica mixes, refractory shapes made therefrom, and method of making the same
US5360773A · kind A · utility
9Cited by
17References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1993 |
| Grant date | Nov 1, 1994 |
| Priority date | — |
| Expiry date | Jul 28, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/14
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A refractory mix for forming a fused silica based refractory shape consisting essentially of a high purity fused silica and a binder system consisting essentially of a high purity colloidal silica solution and a high purity ammonium lignosulfonate. The invention also comprises fused silica based refractory shapes formed from such mix by pressing and firing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.