Method for dyeing keratinous material, comprising the use of an organosilicon compound, an oligoalkylsiloxane and a dyeing compound

US11331258B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Torsten Lechner · Langenfeld, DE
• Juergen Schoepgens · Schwalmtal, DE
• Marc Nowottny · Genhülsen, DE
• Gabriele Weser · Neuss, DE
• Ulrike Schumacher · Dressendorf, DE
• Claudia Kolonko · Remscheid, DE
• Caroline Kriener · Dressendorf, DE
• Carsten Mathiaszyk · Essen, DE

Key dates

• Filing date: May 22, 2019
• Grant date: May 17, 2022
• Expiry date: May 22, 2039

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q5/10
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The subject of the present disclosure is a process for dyeing keratinous material, in particular human hair, including the following steps: A second object of the present disclosure is a multi-component packaging unit which contains the two agents (a) and (b) in two separately assembled containers.