Recording medium
US6420039B1 · kind B1 · utility
18Cited by
24References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1999 |
| Grant date | Jul 16, 2002 |
| Priority date | — |
| Expiry date | Oct 1, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31667
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides a recording medium comprising a substrate having a glossy coating thereon, wherein the glossy coating comprises cationic silica. The cationic silica comprises silica particles having a mean diameter of less than about 1 &mgr;m that have been contacted with at least one aluminum compound. The present invention also provides an aqueous dispersion of cationic silica, a coating composition comprising it, and methods of preparing the dispersion, coating composition, and recording medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.