	US 12,227,654 B2
	PVD-aluminum pigment dispersion and cosmetic formulations
Christine Schilling, Hartenstein (DE); Andrea Wolfring, Hartenstein (DE); and Michaela Gerstacker, Hartenstein (DE)
Assigned to ECKART GmbH, Hartenstein (DE)
Appl. No. 17/056,974
Filed by ECKART GmbH, Hartenstein (DE)
PCT Filed Jul. 15, 2019, PCT No. PCT/EP2019/068987 § 371(c)(1), (2) Date Nov. 19, 2020, PCT Pub. No. WO2020/016171, PCT Pub. Date Jan. 23, 2020.
Claims priority of application No. 18183656 (EP), filed on Jul. 16, 2018.
Prior Publication US 2021/0244634 A1, Aug. 12, 2021
Int. Cl. C09C 1/64 (2006.01); A61K 8/02 (2006.01); A61K 8/04 (2006.01); A61K 8/25 (2006.01); A61K 8/26 (2006.01); A61K 8/37 (2006.01); A61K 8/55 (2006.01); A61K 8/92 (2006.01); A61Q 1/02 (2006.01); A61Q 1/04 (2006.01); A61Q 1/10 (2006.01)

CPC C09C 1/64 (2013.01) [A61K 8/04 (2013.01); A61K 8/26 (2013.01); A61K 8/375 (2013.01); A61K 8/55 (2013.01); A61K 8/92 (2013.01); A61Q 1/02 (2013.01); C09C 1/644 (2013.01); A61K 8/025 (2013.01); A61K 8/0254 (2013.01); A61K 8/25 (2013.01); A61K 2800/437 (2013.01); A61K 2800/438 (2013.01); A61K 2800/612 (2013.01); A61K 2800/651 (2013.01); A61Q 1/04 (2013.01); A61Q 1/10 (2013.01); C09C 2220/20 (2013.01)]

26 Claims

1. 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 present in an excess amount dissolved in the oil, wherein the excess amount is in a range of 0 to 25 wt.-%, based on the weight of PVD aluminum pigment.