Use of glycerol as an agent to improve the self-dispersing properties of a mineral material to be added to an aqueous composition
US9163147B2 · kind B2 · utility
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5References
23Claims
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Key dates
| Filing date | Dec 22, 2010 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Jul 19, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/60
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present disclosure describes methods for improving the auto-dispersant characteristic in water of mineral substances, such methods involving dry-grinding of a mineral substance in the presence of a formulation. In some embodiments the formulation includes glycerol and at least one agent in aqueous or pure form. In other embodiments the formulation includes an aqueous polyglycerol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.