	US 12,296,039 B2
	Composition with long-lasting concealing effects
Akito Hoshino, Kanagawa (JP)
Assigned to L'OREAL, Paris (FR)
Appl. No. 17/253,395
Filed by L'OREAL, Paris (FR)
PCT Filed Jun. 12, 2019, PCT No. PCT/JP2019/024615 § 371(c)(1), (2) Date Dec. 17, 2020, PCT Pub. No. WO2020/004239, PCT Pub. Date Jan. 2, 2020.
Claims priority of application No. 2018-124349 (JP), filed on Jun. 29, 2018.
Prior Publication US 2021/0251874 A1, Aug. 19, 2021
Int. Cl. A61Q 1/10 (2006.01); A61K 8/00 (2006.01); A61K 8/19 (2006.01); A61K 8/81 (2006.01); A61Q 1/00 (2006.01); A61Q 1/02 (2006.01)

CPC A61K 8/8147 (2013.01) [A61K 8/19 (2013.01); A61K 8/8117 (2013.01); A61Q 1/10 (2013.01); A61K 2800/5422 (2013.01); A61K 2800/5424 (2013.01); A61K 2800/59 (2013.01); A61K 2800/60 (2013.01); A61K 2800/805 (2013.01); A61K 2800/872 (2013.01)]

13 Claims

1. A composition, comprising:

(a) carbon black, in an amount of 1% to 30% by weight, relative to the total weight of the composition;

(b) at least one first copolymer selected from the group consisting of acrylates copolymer, ammonium acrylates copolymer, and a mixture thereof, in an amount of 0.001% to 30% by weight, relative to the total weight of the composition; and

(c) a second copolymer being styrene/acrylates/ammonium methacrylate copolymer, in an amount of 1% to 40% by weight, relative to the total weight of the composition,

wherein

the composition is in a form of a liquid,

the weight ratio of the amount of the (c) second copolymer/the amount of the (a) carbon black is in a range of 2.0 to 3.0, and

the composition comprises no non-ionic surfactant.