US 11,744,789 B2
Method for dyeing keratinous material, comprising the use of an organosilicon compound, a colored effect pigment and a sealing reagent III
Torsten Lechner, Langenfeld (DE); Gabriele Weser, Neuss (DE); Claudia Kolonko, Remscheid (DE); Ulrike Schumacher, Duesseldorf (DE); Caroline Kriener, Duesseldorf (DE); Marc Nowottny, Monchengladbach (DE); Juergen Schoepgens, Schwalmtal (DE); Phillip Jaiser, Langenfeld (DE); Carsten Mathiaszyk, Essen (DE); and Jing Hodes, Hagen (DE)
Assigned to HENKEL AG & CO. KGAA, Duesseldorf, NY (US)
Appl. No. 17/628,141
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
PCT Filed Jul. 6, 2020, PCT No. PCT/EP2020/068960
§ 371(c)(1), (2) Date Jan. 18, 2022,
PCT Pub. No. WO2021/013512, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 102019210692.7 (DE), filed on Jul. 19, 2019.
Prior Publication US 2022/0280406 A1, Sep. 8, 2022
Int. Cl. A61Q 5/10 (2006.01); A61K 8/58 (2006.01); A61K 8/25 (2006.01); A61K 8/26 (2006.01); A61K 8/73 (2006.01); A61K 8/81 (2006.01); A61K 8/894 (2006.01)
CPC A61K 8/585 (2013.01) [A61K 8/25 (2013.01); A61K 8/26 (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 2800/884 (2013.01); A61K 2800/95 (2013.01)] 20 Claims
 
1. A method for dyeing keratinous material, comprising the following steps:
application of 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 coloring compound comprising at least one effect pigment, the at least one effect pigment comprising i) a substrate platelet, ii) a metal oxide (hydrate) layer provided on a surface of the substrate platelet, iii) a metal particle carrier layer provided on a surface of the metal oxide (hydrate) layer, and iv) metal particles provided on a surface of the metal particle carrier layer, and
application of an agent (b) to the keratinous material, wherein the agent (b) comprises:
(b1) at least one sealing reagent.