High strength ceramic fiber board
US5273821A · kind A · utility
61Cited by
18References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1991 |
| Grant date | Dec 28, 1993 |
| Priority date | — |
| Expiry date | Nov 12, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2949
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A high strength ceramic fiber board having a green strength of at least 300 psi and a green density of less than about 22 lb/ft.sup.3 ; and having a composition comprising 65-97.5% wt. ceramic fiber, 1-10% wt. PVA fiber, 0.5-10% wt. cationic starch, 0-25% wt. clay filler and 1.0-15% wt. colloidal silica.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.