Process for the continuous production of partial glyceride sulfates

US5312932A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Ansgar Behler · Bottrop, DE
• Uwe Ploog · Haan, DE
• Bernd Fabry · Korschenbroich, DE
• Frank Clasen · Hilden, DE

Key dates

• Filing date: Aug 3, 1993
• Grant date: May 17, 1994
• Expiry date: Aug 3, 2013

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S516/913
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Process for the continuous production of partial glyceride sulfates comprising the steps of PA1 A. continuously reacting partial glycerides with gaseous sulfur trioxide, PA1 B. subjecting the resulting acidic sulfonation products to ageing, and PA1 C. neutralizilng the aged acidic sulfonation products with an aqueous base in the presence of a buffer.