Industrial chemicals; industrial solvents for use in manufacturing; chemical preparations for use in the manufacture of pigments, paints, lacquers, enamels, varnishes, and surface coatings; plasticizers; chemical preparations in the nature of degreasers for use in manufacture; unprocessed artificial resins; chemicals, namely, dimethyl esters of adipic, glutaric, and succinic acids, and mixtures thereof, for industrial use