Impeding sedimentation of clays in water
US4480067A · kind A · utility
22Cited by
0References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1983 |
| Grant date | Oct 30, 1984 |
| Priority date | — |
| Expiry date | Aug 24, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F5/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method for impeding the sedimentation of clays in water by adding a water-soluble compound. This compound is constituted by a polymer bearer of hydroxamic groups attached to a linear hydrocarbon chain. The amount of this adjuvant is small on the order of a few milligrams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.