Hair dyeing agents containing indigo derivatives

US7060109B2 · kind B2 · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien (Henkel KGAA) · DE

Inventors

• Horst Hoeffkes · Goldkronach, DE
• Karin Nelles · Monheim, DE
• Hinrich Moeller · Monheim, DE

Key dates

• Filing date: Sep 11, 2001
• Grant date: Jun 13, 2006
• Expiry date: Nov 6, 2022

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q5/065
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Compositions and method for coloring keratin fibers consisting of derivatives of benzo[b]furan-3-one and/or benzo-[b]-thiophen-3-one compounds with special reactive components. These compositions form intensely colored compounds when applied to keratin fibers. The compositions may also be used with substantive dyes and/or oxidation colorants.