Process for the sulfonation of unsaturated fatty acid glycerol esters

US5319117A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Bernd Fabry · Korschenbroich, DE
• Michael Schaefer · Heidenau, DE
• Hermann Anzinger · Goldkronach, DE

Key dates

• Filing date: Apr 24, 1992
• Grant date: Jun 7, 1994
• Expiry date: Apr 24, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C303/32
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Process for the production of aqueous solutions of alkali metal, alkaline earth metal, ammonium and/or amine salts of sulfonated fatty acid glycerides by sulfonation of unsaturated fatty acid glycerol esters with gaseous sulfur trioxide, neutralization with aqueous bases and subsequent heating with phase separation, and to the aqueous solutions produced thereby.