Pigment dispersions, processes for their preparation and their use

US4986851A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Erwin Dietz · Kelkheim, DE
• Albert Munkel · Liederbach, DE
• Ferdinand Memmel · Frankfurt am Main, DE

Key dates

• Filing date: Mar 22, 1989
• Grant date: Jan 22, 1991
• Expiry date: Mar 22, 2009

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/43
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to pigment dispersions which contain, as dispersing agents, alkylglycol ether-sulfates and phosphoric acid esters of fatty alcohols and oxyethylated fatty alcohols and which are suitable for pigmenting aqueous media, in particular cosmetic articles, such as soaps, fingerpaint colors and washing powders.