Surface treated pigments
US5599530A · kind A · utility
6Cited by
17References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1994 |
| Grant date | Feb 4, 1997 |
| Priority date | — |
| Expiry date | Dec 16, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/58
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An organic pigment particle having chemically bonded to its surface an organometallic zirconium compound, cosmetic compositions containing the pigment particles, and a method for reducing the staining potential of organic pigments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.