Intensely colored pearlescent pigments
US5273576A · kind A · utility
23Cited by
11References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 1992 |
| Grant date | Dec 28, 1993 |
| Priority date | — |
| Expiry date | Oct 19, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/03
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Iron oxide-coated micaceous pigments having a chroma enhancing amount of a coating of a colorless metal oxide which has a refractive index of at least about 2.0 exhibit intensely colored effects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.