US 11,992,546 B2
Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, and a sealing reagent vi
Torsten Lechner, Langenfeld (DE); Gabriele Weser, Neuss (DE); Claudia Kolonko, Remscheid (DE); Caroline Kriener, Duesseldorf (DE); Ulrike Schumacher, Duesseldorf (DE); Marc Nowottny, Moenchengladbach (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. 17/441,265
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
PCT Filed Mar. 13, 2020, PCT No. PCT/EP2020/056814
§ 371(c)(1), (2) Date Sep. 20, 2021,
PCT Pub. No. WO2020/187735, PCT Pub. Date Sep. 24, 2020.
Claims priority of application No. 102019203668 (DE), filed on Mar. 19, 2019.
Prior Publication US 2022/0151904 A1, May 19, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61Q 5/10 (2006.01); A61K 8/26 (2006.01); A61K 8/58 (2006.01); A61K 8/73 (2006.01); A61K 8/81 (2006.01); A61K 8/891 (2006.01); A61Q 5/06 (2006.01)
CPC A61K 8/585 (2013.01) [A61K 8/26 (2013.01); A61K 8/731 (2013.01); A61K 8/8152 (2013.01); A61K 8/891 (2013.01); A61Q 5/06 (2013.01); A61K 2800/884 (2013.01)] 20 Claims
 
1. A process for dyeing keratinous material comprising the following steps:
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 substrate platelet-based pigment comprising a vacuum metallized pigment, and
applying an agent (b) to the keratinous material, wherein the agent (b) comprises:
(b1) at least one sealing reagent.