Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1985-12-02
1987-07-14
Siegel, Alan
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260504S, C07C14302
Patent
active
046801472
ABSTRACT:
A process for the isolation under mild conditions of paraffinsulfonate from the aqueous reaction mixtures which result from the sulfoxidation of n-paraffins, from which sulfur dioxide has been removed by degassing, and which contain higher molecular weight sulfonic acids, sulfuric acid, n-paraffins and water, in which aliphatic alcohols having 2 to 8 carbon atoms and organic solvents, which are insoluble in water or miscible with water to only a limited extent, are simultaneously allowed to act on the reaction mixtures, the aqueous phase which has separated out and contains sulfuric acid is removed, and the product phase containing paraffinsulfonates is neutralized, evaporated, and the remaining paraffin is driven out with superheated steam.
REFERENCES:
patent: 3423454 (1969-01-01), Marrian
patent: 4177208 (1979-12-01), Boy et al.
patent: 4178307 (1979-12-01), Boy et al.
Hoechst Aktiengesellschaft
Siegel Alan
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