	US 12,296,036 B2
	Method for dyeing keratinous material, including the application of an organosilicon compound, a dyeing compound, a sealing reagent and an alkaline pre-treatment agent
Juergen Schoepgens, Schwalmtal (DE); Torsten Lechner, Langenfeld (DE); Phillip Jaiser, Langenfeld (DE); Avni Tairi, Duisburg (DE); Carolin Kruppa, Hilden (DE); Marc Nowottny, Mönchengladbach (DE); Carsten Mathiaszyk, Essen (DE); and Andreas Walter, Ratingen (DE)
Assigned to Henkel AG & Co. KGaA, Düesseldorf (DE)
Appl. No. 18/577,153
Filed by HENKEL AG & CO. KGAA, Düsseldorf (DE)
PCT Filed May 31, 2022, PCT No. PCT/EP2022/064674 § 371(c)(1), (2) Date Jan. 5, 2024, PCT Pub. No. WO2023/280469, PCT Pub. Date Jan. 12, 2023.
Claims priority of application No. 10 2021 207 098.1 (DE), filed on Jul. 6, 2021.
Prior Publication US 2024/0165005 A1, May 23, 2024
Int. Cl. A61Q 5/10 (2006.01); A61K 8/58 (2006.01); A61Q 5/06 (2006.01)

CPC A61K 8/585 (2013.01) [A61Q 5/065 (2013.01); A61K 2800/432 (2013.01); A61K 2800/87 (2013.01)]

20 Claims

1. A method for dyeing keratinous material, the method comprising;

applying an agent (v) to the keratinous material, wherein the agent (v) comprises:

at least one polyethylene glycol having an average molecular mass of 200 to 8000 g/mol,

at least one aliphatic alcohol, and

at least one alkalizing reagent;

applying an agent (a) to the keratinous material, wherein the agent (a) comprises at least one organosilicon compound selected from silanes having one, two, or three silicon atoms; and

applying an agent (b) to the keratinous material, wherein the agent (b) comprises at least one sealing reagent, wherein at least one of the agent (a) or the agent (b) further comprises at least one dyeing compound.