Low water uptake precipitated silica particulates
US5395605A · kind A · utility
13Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1991 |
| Grant date | Mar 7, 1995 |
| Priority date | — |
| Expiry date | May 3, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Novel precipitated silica particulates having low water uptake and high BET and CTAB surfaces, well adapted as reinforcing fillers for, e.g., the silicones, are conveniently prepared by heat treating certain starting material precipitated silica particulates at a temperature of at least 700.degree. C., for at least one minute.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.