US 11,654,095 B2
Method for dyeing keratinous material, comprising the use of an organosilicon compound, a chromophoric compound, a modified fatty acid ester and a sealing reagent II
Rene Krohn, Norderstedt (DE); Thomas Hippe, Appen (DE); Jessica Brender, Hamburg (DE); and Stefan Hoepfner, Hamburg (DE)
Assigned to HENKEL AG & CO. KGAA, Duesseldorf (DE)
Appl. No. 17/611,131
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
PCT Filed Apr. 21, 2020, PCT No. PCT/EP2020/061047
§ 371(c)(1), (2) Date Nov. 12, 2021,
PCT Pub. No. WO2020/229101, PCT Pub. Date Nov. 19, 2020.
Claims priority of application No. 10 2019 206 915.0 (DE), filed on May 13, 2019.
Prior Publication US 2022/0354765 A1, Nov. 10, 2022
Int. Cl. A61Q 5/10 (2006.01); A61K 8/58 (2006.01); A61K 8/19 (2006.01); A61K 8/49 (2006.01); A61K 8/894 (2006.01); A61K 8/92 (2006.01)
CPC A61K 8/585 (2013.01) [A61K 8/19 (2013.01); A61K 8/492 (2013.01); A61K 8/894 (2013.01); A61K 8/922 (2013.01); A61Q 5/10 (2013.01); A61K 2800/4324 (2013.01); A61K 2800/884 (2013.01); A61K 2800/95 (2013.01)] 17 Claims
 
1. A process for dyeing keratinous material, comprising the following steps:
applying an agent (a) to the keratinous material, the agent (a) comprising:
(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 sulfated and/or sulfonated fatty acid esters; and
applying an agent (b) to the keratinous material, the agent (b) comprising:
(b 1) at least one sealing reagent, and
(b2) at least one first colorant compound selected from the group consisting of pigments and/or direct dyes.