High surface area aggregated pigments
US6478865B1 · kind B1 · utility
9Cited by
8References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2001 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Aug 3, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Aggregated mineral pigments (such as kaolin clay pigments) having a high surface area and useful in coating compositions for ink jet printing media are manufactured by dry grinding an unground mineral composition starting material and then optionally acid treating the ground material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.