Ceramic foam filter and process for preparing same
US4885263A · kind A · utility
13Cited by
13References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 1987 |
| Grant date | Dec 5, 1989 |
| Priority date | — |
| Expiry date | Mar 23, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An improved ceramic foam filter for use in filtering molten metal prepared from a ceramic slurry containing silicon carbide and a colloidal silica binder. The filter has a solids content of at least 50% silicon carbide and at least 3% of silica.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.