	US 11,918,665 B2
	Method for dyeing keratinous material, comprising the use of an organosilicon compound, a colored effect pigment and a sealing reagent I
Torsten Lechner, Langenfeld (DE); Gabriele Weser, Neuss (DE); Claudia Kolonko, Remscheid (DE); Caroline Kriener, Duesseldorf (DE); Ulrike Schumacher, Duesseldorf (DE); Marc Nowottny, Monchengladbach (DE); Juergen Schoepgens, Schwalmtal (DE); Phillip Jaiser, Langenfeld (DE); and Carsten Mathiaszyk, Essen (DE)
Assigned to HENKEL AG & CO. KGAA, Duesseldorf, NY (US)
Appl. No. 17/628,537
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
PCT Filed Jul. 6, 2020, PCT No. PCT/EP2020/068979 § 371(c)(1), (2) Date Jan. 19, 2022, PCT Pub. No. WO2021/013517, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 102019210686.2 (DE), filed on Jul. 19, 2019.
Prior Publication US 2022/0257478 A1, Aug. 18, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61Q 5/10 (2006.01); A61K 8/02 (2006.01); A61K 8/58 (2006.01); A61K 8/73 (2006.01); A61K 8/81 (2006.01); A61K 8/894 (2006.01)

CPC A61K 8/0262 (2013.01) [A61K 8/585 (2013.01); A61K 8/731 (2013.01); A61K 8/8147 (2013.01); A61K 8/894 (2013.01); A61Q 5/10 (2013.01); A61K 2800/436 (2013.01); A61K 2800/621 (2013.01); A61K 2800/884 (2013.01); A61K 2800/95 (2013.01)]

20 Claims

1. A process for dyeing keratinous material, comprising:

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, and

(a2) at least one colorant compound comprising at least one effect pigment comprising α) a substrate platelet and β) a coating, wherein the coating has at least one layer that is

(i) a metal oxide and/or metal oxide hydrate and

(ii) a coloring compound chosen from the group of pigments; and

after applying the agent (a) to the keratinous material, applying an agent (b) to the keratinous material, wherein the agent (b) comprises:

(b1) at least one sealing reagent.