3834. VOGT, E., AND SMMEYKAL, K. (W. E. Currie). Breaking Mineral Oil Emulsions. United States Patent 2,216,257, Oct. 1, 1940. Chem. Abs., vol. 35, 1941, p. 1212.

For breaking the emulsions, there is added to them a sulfonation product of a polymerized mixture of olefins obtained by dehydrating high molecular alcohols from the hydrogenation of C oxides, the polymerized mixture containing olefins with from 10 to about 20 C atoms in the molecule.