Process for producing alpha-sulfo-fatty acid alkyl ester salt

• Main Authors: TETSUO TANO, SEIJI MATOBA, MASAHISA YOSHIYA, TAKU NISHIO, YOZO MIYAWAKI
• Format: Patent
• Language: English
• Published: 31.01.2001
• Edition: 7
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; CANDLES; CHEMISTRY; DETERGENT COMPOSITIONS; DETERGENTS; FATTY ACIDS THEREFROM; METALLURGY; ORGANIC CHEMISTRY; RECOVERY OF GLYCEROL; RESIN SOAPS; SOAP OR SOAP-MAKING; USE OF SINGLE SUBSTANCES AS DETERGENTS

By conducting a sulfonation step for bringing a fatty acid alkyl ester into contact with a sulfonating gas in the presence of a coloring inhibitor to sulfonate the fatty acid alkyl ester, an esterification step for esterifying the product of the sulfonation step with a lower alcohol, a neutralizatio...