Process for preparing thickening grade of silica and process of using same
US4216113A · kind A · utility
21Cited by
7References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 18, 1973 |
| Grant date | Aug 5, 1980 |
| Priority date | — |
| Expiry date | Jan 18, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M2201/14
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
This invention consists in the exchanging of the water of a silica hydrogel with a water miscible organic solvent to a water content of less than 10 percent by weight, and then feeding this organogel to a fluid energy mill for concurrent drying and deagglomerating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.