High durability refractory composition
US7078360B2 · kind B2 · utility
3Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2004 |
| Grant date | Jul 18, 2006 |
| Priority date | — |
| Expiry date | Jul 12, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/96
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A high temperature hot strength magnesia-based refractory composition having high durability at elevated temperatures wherein a sulfamic acid in combination with an independent calcia source is added to a magnesia-based refractory material. The invention also provides for a refractory gunning composition for use in the production or repair of metallurgical furnace linings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.