US 11,737,967 B2
Increasing the stability of agents for treating keratin material
Ulrike Schumacher, Duesseldorf (DE); Juergen Schoepgens, Schwalmtal (DE); Marc Nowottny, Moenchengladbach (DE); Caroline Kriener, Duesseldorf (DE); Claudia Kolonko, Remscheid (DE); Phillip Jaiser, Langenfeld (DE); Carsten Mathiaszyk, Essen (DE); Torsten Lechner, Langenfeld (DE); and Gabriele Weser, Neuss (DE)
Assigned to HENKEL AG & CO. KGAA, Duesseldorf (DE)
Appl. No. 17/614,049
Filed by Henkel AG & Co. KGaA, Duesseldorf (DE)
PCT Filed Mar. 30, 2020, PCT No. PCT/EP2020/058933
§ 371(c)(1), (2) Date Nov. 24, 2021,
PCT Pub. No. WO2020/239291, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 102019207896.6 (DE), filed on May 29, 2019.
Prior Publication US 2022/0233423 A1, Jul. 28, 2022
Int. Cl. A61Q 5/10 (2006.01); A61K 8/58 (2006.01); A61K 8/06 (2006.01); A61K 8/34 (2006.01); A61K 8/73 (2006.01); A61K 8/81 (2006.01); A61K 8/86 (2006.01)
CPC A61K 8/585 (2013.01) [A61K 8/062 (2013.01); A61K 8/342 (2013.01); A61K 8/731 (2013.01); A61K 8/8147 (2013.01); A61K 8/86 (2013.01); A61Q 5/10 (2013.01); A61K 2800/882 (2013.01); A61K 2800/884 (2013.01); A61K 2800/95 (2013.01)] 20 Claims
 
1. A method for the preparation and use of an agent for coloring keratinous material, comprising the following steps:
(1) preparing a first composition (A) comprising
(A1) less than about 10% by weight of water and
(A2) one or more organic C1-C6 alkoxy silanes and/or condensation products thereof, and
(2) preparing a second composition (B) comprising
(B1) water
(B2) one or more fat components and
(B3) one or more colorant compounds selected from the group of pigments and/or direct dyes,
(3) storing the composition (A) and/or (B) for a period of at least about 24 hours,
(4) mixing compositions (A) and (B),
(5) applying the mixture of (A) and (B) on the keratinic material.