Interference pigment
US11692100B2 · kind B2 · utility
0Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2018 |
| Grant date | Jul 4, 2023 |
| Priority date | — |
| Expiry date | Feb 26, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09C2200/307
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A multilayered interference pigment containing, in succession:a metal core in the form of a flake, the metal core containing a material selected from gold, silver, palladium, rhodium, ruthenium, platinum, osmium, iridium and an alloy thereof;a first layer of transparent dielectric material; anda second discontinuous metal layer making it possible to both reflect a portion of the light beam and to transmit another portion of this beam onto the metal core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.