Method for production of needlelike crystalline particles
US5286687A · kind A · utility
6Cited by
2References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 8, 1993 |
| Grant date | Feb 15, 1994 |
| Priority date | — |
| Expiry date | Feb 8, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Needlelike single crystal particles of .alpha.- alumina, .theta.-alumina, mullite, sillimanite, etc. are produced by adding a silicon-containing substance to needlelike alumina precursor particles and heating the resultant product of addition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.