Chemicals for use in industry; Dispersing agents; Wetting agents; Emulsifying agents for industrial purposes; Dispersants for use in the manufacture of slurries, coatings, lubricating oils, greases, motor fuels, and batteries; Surface-active chemical agents for general use in the industrial arts, namely, as wetting, solubilizing, emulsifying, and dispersing agents; Surfactants for industrial purposes for use in the field of oil and gas exploration and production; Surfactants for industrial pu...