PVD-aluminum pigment dispersion and cosmetic formulations
US12227654B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2019 |
| Grant date | Feb 18, 2025 |
| Priority date | — |
| Expiry date | Aug 15, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09C2220/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention is directed to an effect pigment dispersion comprising a PVD-aluminum pigment, a leafing additive and an oil suitable for cosmetic skin care or color cosmetic applications, wherein a) the amount of the PVD-aluminum pigment is in a range of 8 to 30 wt.-%, b) the amount of the oil is in a range of 70 to 90 wt.-%, each based on the total weight of the effect pigment dispersion and c) the leafing additive is partly adsorbed on the surface of the PVD-aluminum pigment and partly an excess additive dissolved in the oil, wherein the amount of excess leafing additive is in a range of 0 to 25 wt.-%, based on the weight of PVD aluminum pigment. Further cosmetic skin care of color cosmetic formulations containing this effect pigment dispersion are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.