Increasing the stability of agents for treating keratin material

US11737967B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

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

Key dates

• Filing date: Mar 30, 2020
• Grant date: Aug 29, 2023
• Expiry date: Mar 30, 2040

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/95
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

It is an object of the present disclosure to provide a method for the preparation and use of an agent for coloring keratinous material, in particular human hair, comprising the following steps: