	US 12,329,849 B2
	Method for dyeing keratinous material, comprising the use of an organosilicon compound, a dyeing compound, a sealing reagent, and a polymer-containing post-treatment agent
Gabriele Weser, Essen (DE); Jing Hodes, Hagen (DE); Leonie Hansen, Duesseldorf (DE); Ulrike Schumacher, Duesseldorf (DE); Claudia Kolonko, Remscheid (DE); Caroline Kriener, Duesseldorf (DE); Imme Breuer, Duesseldorf (DE); Angela Mueller, Grevenbroich (DE); Marcus Claas, Hilden (DE); and Bernhard Banowski, Duesseldorf (DE)
Assigned to Henkel AG & Co. KGaA, Düsseldorf (DE)
Appl. No. 18/279,884
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
PCT Filed Jan. 17, 2022, PCT No. PCT/EP2022/050856 § 371(c)(1), (2) Date Sep. 1, 2023, PCT Pub. No. WO2022/184336, PCT Pub. Date Sep. 9, 2022.
Claims priority of application No. 10 2021 202 043.7 (DE), filed on Mar. 3, 2021.
Prior Publication US 2024/0165011 A1, May 23, 2024
Int. Cl. A61Q 5/10 (2006.01); A61K 8/58 (2006.01); A61K 8/898 (2006.01)

CPC A61K 8/898 (2013.01) [A61K 8/585 (2013.01); A61Q 5/10 (2013.01); A61K 2800/432 (2013.01); A61K 2800/884 (2013.01); A61K 2800/95 (2013.01)]

15 Claims

1. A method for dyeing keratinous material, wherein the method comprises:

applying a first agent to the keratinous material, wherein the first agent comprises at least one organosilicon compound from the group of silanes having one, two, or three silicon atoms;

applying a second agent to the keratinous material, wherein the second agent comprises at least one sealing reagent; and

applying a third agent to the keratinous material, wherein the third agent comprises at least one hydroxyamine-functionalized silicone polymer;

wherein at least one of the first and/or second agents additionally comprises at least one dyeing compound from the group consisting of pigments and/or direct dyes.