Engelhard Corporation engages in the development, manufacture, and marketing of technologies based on surface and materials science for industrial customers worldwide. It operates through four segments: Environmental Technologies, Process Technologies, Appearance and Performance Technologies, and Materials Services. Environmental Technologies segment develops and markets emission-control technologies and systems that enable customers to comply with clean-air regulations. It also provides products made form precious metals, and thermal spray and coating technologies. This segment’s product applications include the abatement of carbon monoxide, oxides of nitrogen, and hydrocarbon emissions from gasoline and diesel vehicles, as well as comprise the removal of odors, fumes, and pollutants associated with various process industries. Process Technologies segment markets chemical-process catalysts, additives, and sorbents for use in the manufacture of a range of products and intermediates made by chemical, petrochemical, pharmaceutical, and agricultural chemical producers. This segment’s products are also used in the production of polypropylene used in food packaging products, carpets, toys, and automobile bumpers. Materials Services segment purchases and sells precious metals, base metals, and related products and services. This segment also offers precious-metal refining and storage-related services, as well as produces precious-metal salts and solutions. Appearance and Performance Technologies segment offers special-effect materials and films, personal care actives, color pigments and dispersions, paper coatings and pigment extenders, and specialty performance additives. Engelhard Corporation was founded in 1938 and is headquartered in Iselin, New Jersey. As of June 6, 2006, Engelhard Corp. is a subsidiary of BASF AG.