Solid colorant for keratin fibers

US6790240B2 · kind B2 · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Erik Schulze zur Wiesche · Hamburg, DE
• Britta Bossmann · Erkrath, DE
• Detlef Hollenberg · Hilden, DE
• Michael Dreja · Cologne, DE

Key dates

• Filing date: Jun 14, 2002
• Grant date: Sep 14, 2004
• Expiry date: Jun 14, 2022

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K8/492
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A shaped body is provided for preparing coloring compositions and for coloring keratin fibers. The shaped body contains at least one dye precursor, at least one oxidizing agent, and at least one alkalinizing agent. The shaped body is placed in a composition containing water to form a coloring composition that can be applied to keratin fibers.