Patents Assigned to Henkel Kommanditgesellschaftr auf Aktien
  • Process for the sulfonation of unsaturated fatty acid glycerol esters
    Patent number: 5319117
    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.
    Type: Grant
    Filed: April 24, 1992
    Date of Patent: June 7, 1994
    Assignee: Henkel Kommanditgesellschaftr auf Aktien
    Inventors: Bernd Fabry, Michael Schaefer, Hermann Anzinger