Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic and/or cationic surfactant

US10413498B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Antje Gebert-Schwarzwaelder · Neuss, DE
• Helmut Giesa · Meerbusch, DE
• Astrid Kroos · Monheim, DE

Key dates

• Filing date: Oct 14, 2015
• Grant date: Sep 17, 2019
• Expiry date: Oct 14, 2035

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/4324
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present disclosure relates to agents for dyeing keratin fibers, in particular human hair, containing, in a cosmetic carrier (a) at least one direct dye of formula (I), wherein Y1, Y2 independently represent a nitrogen atom or a group C—R9, and Q represents a special linker group of formula (II), (III), (IV) or (V), (b) at least one anionic surfactant and/or at least one cationic surfactant.