Mineral particle dispersions stabilized with a poly (oxyalkene) phosphonate
US7381251B2 · kind B2 · utility
6Cited by
4References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2006 |
| Grant date | Jun 3, 2008 |
| Priority date | — |
| Expiry date | Apr 22, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The instant invention relates to a liquid composition comprising a mixture of: (1) water and/or a polar solvent; (2) a colloidal dispersion of mineral particles; and (3) a phosphonate terminated poly(oxyalkene) polymer; the invention also relates to process for stabilizing aqueous and/or solvent-based dispersions of mineral particles comprising the step of adding an efficient stabilising amount of a phosphonate terminated poly(oxyalkene) polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.