Method for producing hair dye products

US6616706B1 · kind B1 · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Joerg Kahre · Monheim, DE
• Peter Busch
• Thomas Foerster · Goldkronach, DE
• Hermann Hensen · Haan, DE
• Holger Tesmann · Düsseldorf, DE
• Markus Sumser · Herne, DE
• Adrian Pitfield · Paragon Road, GB

Key dates

• Filing date: Jan 21, 2000
• Grant date: Sep 9, 2003
• Expiry date: Jan 21, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/907
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A process for making a hair colorant composition involving: (a) providing a phase inversion temperature emulsion or microemulsion containing: (i) an oil component; and (ii) an emusifier selected from the group consisting of an alkyl and/or alkenyl oligoglycoside, an anionic surfactant, an esterquat, a polyolpoly-12-hydroxystearate, a fatty alcohol, a fatty alcohol polyethylene glycol ether, and mixtures thereof; (b) providing a dye component; and (c) combining (a) and (b) at a temperature of from 15 to 25° C.