Amorphous silicas
US5643624A · kind A · utility
4Cited by
8References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1995 |
| Grant date | Jul 1, 1997 |
| Priority date | — |
| Expiry date | Nov 29, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/82
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An amorphous silica has a pore volume in the range of from about 1.6 to about 2.5 cc g.sup.-1, a mean pore diameter in the range of from about 8.0 to about 20 nm, a surface area in the range from about 450 to about 1100 m.sup.2 g.sup.-1 and an oil absorption in the range of from about 250 to about 350 cc/100g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.