Nano-sized alpha alumina particles having a silica coating thereon
US6048577A · kind A · utility
116Cited by
12References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 4, 1994 |
| Grant date | Apr 11, 2000 |
| Priority date | — |
| Expiry date | Feb 4, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2993
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Nano-sized powders of alpha alumina can be obtained from a boehmite gel doped with a barrier-forming material such as silica that is then dried, fired and comminuted to powder form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.