Cationcally dispersed slurries of calcined kaolin clay
US5006574A · kind A · utility
27Cited by
8References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 10, 1989 |
| Grant date | Apr 9, 1991 |
| Priority date | — |
| Expiry date | Feb 10, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A stable fluid acidic concentrated aqueous slurry of positively charged particles of a calcined kaolin clay pigment wherein the dispersant is a water-soluble organic cationic material, such as a quarternary ammonium polyelectrolyte.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.