Process for the preparation of reaction products of epoxidized ricinoleic acid glycerides with sulfur trioxide

US4981617A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Bernd Fabry · Korschenbroich, DE
• Robert Piorr · Ratingen, DE
• Frank Clasen · Hilden, DE
• Horst Ritterbex · Goldkronach, DE
• Hans Bornmann · Düsseldorf, DE

Key dates

• Filing date: Sep 2, 1988
• Grant date: Jan 1, 1991
• Expiry date: Sep 2, 2008

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C303/24
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The sulfonation of epoxidized ricinoleic acid glycerides with a dry stream of gaseous sulfur trioxide diluted with a carrier gas, followed by a reaction of the sulfonated reaction product with nucleophiles, leads to salt-free and anhydrous products showing surface-active properties.