Process for the preparation of ceramic flakes, fibers, and grains from ceramic sols
US5312791A · kind A · utility
111Cited by
12References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1992 |
| Grant date | May 17, 1994 |
| Priority date | — |
| Expiry date | Aug 21, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for producing ceramic flake, fiber and grain materials comprising solidifying a hydrated alumina sol, freeze drying the solidified sol and thereafter sintering the freeze dried material is disclosed. Novel ribbed flake material made by the process of the present invention is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.