Method for production of mullite of high purity
US4774068A · kind A · utility
3Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1986 |
| Grant date | Sep 27, 1988 |
| Priority date | — |
| Expiry date | Jul 11, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/18
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Mullite of high purity is obtained by neutralizing an aqueous solution containing a basic aluminum salt and colloidal silica thereby causing formation of a precipitate in the aqueous solution, and subsequently heating the precipitate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.