Opacifying agents

US4009139A · kind A · utility

Assignee

• BASF SE

Inventors

• Rudi Widder · Leimen, DE
• Paul Diessel · Mutterstadt, DE
• Dieter Distler · Mutterstadt, DE

Key dates

• Filing date: May 22, 1975
• Grant date: Feb 22, 1977
• Expiry date: May 22, 1995

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/3765
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Opacifying agents for liquid detergents, cleaning agents and cosmetic compositions, obtained by free-radical emulsion polymerization of styrene or emulsion copolymerization of styrene with methacrylates or acrylates in the presence of sodium polyacrylate having a K value of 15 to 35 and sarcosides of unsaturated fatty acids, the solid polymer particles having a softening point above 90.degree. C.