High-chroma orange pearl pigment
US6190445A · kind A · utility
12Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 19, 1998 |
| Grant date | Feb 20, 2001 |
| Priority date | — |
| Expiry date | Nov 19, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09C2200/505
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention is directed to the development of a highly safe high-chroma orange pearl pigment replacing a cadmium pigment, in which a flaky substrate has surfaces coated with spherical metal oxide particles containing iron oxide, or spherical metal oxide particles obtained by adding thereto a specific proportion of one or more oxides selected from among aluminum, calcium and magnesium oxides, and a process for manufacturing the same, and uses thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.