Method for preparing silica gel particles
US4865829A · kind A · utility
9Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1988 |
| Grant date | Sep 12, 1989 |
| Priority date | — |
| Expiry date | Sep 9, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B19/1065
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for preparing silica gel particles, which comprises suspending a mixed solution of a silicic acid ester and water in an organic liquid immiscible with the mixed solution, followed by gelation wherein said organic liquid contains an ethyl cellulose having an ethoxy group content of at least 47% by weight and being soluble in the organic liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.