Stepan produces specialty and intermediate chemicals, which are sold to other manufacturers and used in a variety of end products. Co. has three reportable segments: Surfactants, which are chemical agents that can provide actions such as detergency (i.e., the ability of water to remove soil from another surface), wetting and foaming, dispersing, emulsification (aiding two dissimilar liquids to mix), demulsification, viscosity modifications and biocidal disinfectants; Polymers, which include polyurethane polyols, polyester resins and phthalic anhydride; and Specialty Products, which are chemicals used in food, flavoring, nutritional supplement and pharmaceutical applications.