	US 11,771,641 B2
	Method for dyeing keratinous material by means of a premix of aminosilicone and a chromophoric compound
Constanze Kruck, Grevenbroich (DE); Sandra Hilbig, Bochum (DE); Daniela Kessler-Becker, Leverkusen (DE); and Sofie Baumann, Remscheid (DE)
Assigned to HENKEL AG & CO. KGAA, Duesseldorf (DE)
Appl. No. 17/620,092
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
PCT Filed Apr. 23, 2020, PCT No. PCT/EP2020/061279 § 371(c)(1), (2) Date Dec. 16, 2021, PCT Pub. No. WO2020/254012, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 102019208900.3 (DE), filed on Jun. 19, 2019.
Prior Publication US 2022/0378686 A1, Dec. 1, 2022
Int. Cl. A61Q 5/10 (2006.01); A61K 8/898 (2006.01); A61K 8/34 (2006.01); A61K 8/37 (2006.01); A61K 8/39 (2006.01)

CPC A61K 8/898 (2013.01) [A61K 8/342 (2013.01); A61K 8/375 (2013.01); A61K 8/39 (2013.01); A61Q 5/10 (2013.01); A61K 2800/432 (2013.01); A61K 2800/438 (2013.01); A61K 2800/596 (2013.01); A61K 2800/882 (2013.01)]

20 Claims

1. A process for dyeing keratinous material comprising the following steps:

(1) providing an agent (a), wherein the agent (a) comprises:

(a1) at least one amino-functionalized silicone polymer in a total amount of from 30.0 to 95.0% by weight based on the total weight of the agent (a), and

(a2) at least one colorant compound,

(2) providing an agent (b), wherein the agent (b) comprises:

(b1) water, and

(b2) at least one fat component,

(3) preparing an application mixture by mixing agents (a) and (b),

(4) applying the application mixture to the keratinous material,

(5) exposing the application mixture to the keratinous material; and

(6) rinsing the application mixture with water.