Orange pearlescent pigments
US8323396B2 · kind B2 · utility
3Cited by
99References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2008 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | Jul 8, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An orange pearlescent pigment comprising a substrate and a first layer containing FeOOH, and a second layer containing Fe2O3 located between the substrate and the first layer. The color of the pigment is such that a homogeneous coating of the pigment, measured over a white background, has a CIELAB hue angle, hab, from about 40 to about 60 degrees, and the chroma value is greater than 50. The pigment may be used in a cosmetic, coating, or ink composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.