US 12,090,222 B2
Method for dyeing keratin material, comprising the use of an organosilicon compound, two dyeing compounds and a post-treatment agent
Gabriele Weser, Essen (DE); Torsten Lechner, Langenfeld (DE); Juergen Schoepgens, Schwalmtal (DE); Carsten Mathiaszyk, Essen (DE); Marc Nowottny, Moenchengladbach (DE); Ulrike Schumacher, Duesseldorf (DE); Caroline Kriener, Duesseldorf (DE); Claudia Kolonko, Remscheid (DE); and Phillip Jaiser, Langenfeld (DE)
Assigned to HENKEL AG & CO. KGAA, Duesseldorf (DE)
Appl. No. 17/910,335
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
PCT Filed Jan. 13, 2021, PCT No. PCT/EP2021/050582
§ 371(c)(1), (2) Date Sep. 8, 2022,
PCT Pub. No. WO2021/180379, PCT Pub. Date Sep. 16, 2021.
Claims priority of application No. 102020203248.3 (DE), filed on Mar. 13, 2020.
Prior Publication US 2023/0094586 A1, Mar. 30, 2023
Int. Cl. A61Q 5/10 (2006.01); A61K 8/22 (2006.01); A61K 8/23 (2006.01); A61K 8/26 (2006.01); A61K 8/58 (2006.01); A61Q 5/06 (2006.01); A61Q 5/08 (2006.01)
CPC A61K 8/585 (2013.01) [A61K 8/22 (2013.01); A61K 8/23 (2013.01); A61K 8/26 (2013.01); A61Q 5/065 (2013.01); A61Q 5/08 (2013.01); A61Q 5/10 (2013.01); A61K 2800/43 (2013.01)] 15 Claims
 
1. A method for dyeing keratinous material comprising the steps of:
applying an agent (a) to the keratinous material, wherein the agent (a) comprises:
(a1) at least one organic silicon compound selected from the group of silanes having one, two or three silicon atoms,
(a2) a first colorant compound comprising at least one lenticular substrate platelet-based pigment, and
(a3) a second color-imparting compound, and
applying an agent (b) to the keratinous material, wherein the agent (b) comprises:
(b1) at least one sealing reagent.