Cold production method for pearly lustre surfactant preparations

US6727217B1 · kind B1 · utility

Assignee

• Cognis Deutschland GmbH & Co. KG · DE

Inventors

• Claus Nieendick · Krefeld, DE
• Karl Schmid · Mettmann, DE
• Anke Eggers · Goldkronach, DE

Key dates

• Filing date: Nov 6, 2001
• Grant date: Apr 27, 2004
• Expiry date: Nov 6, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D11/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Pearlescent surfactant compositions are prepared at a temperature of from about 10° C. to about 45° C. by providing an aqueous surfactant solution and then contacting the aqueous surfactant solution with a composition comprised of a pearlizing wax and a polyol ester.