Mitsui Chemicals, Inc. manufactures and sells petrochemicals and industrial inorganic chemical products. It operates through the following segments: Functional Chemicals, Functional Polymeric Materials, Polyurethane, Basic Chemicals, Petrochemicals and Films & Sheets. The Functional Chemicals segment engages in fine chemical development used in health-care materials such as vision-care, dental-care, and medical-care, as well as functional non-woven fabrics, catalysts for olefin polymerization and bio-method acryl amide catalysts. The Functional Polymeric Materials segment develops elastomers, performance compounds, and performance polymer resins which are used in automobiles, electronic information materials, and the fields of lifestyle, industrial materials, environment, and energy. The Polyurethane segment produces functional products such as polyurethane foam materials and resins, acrylic resins, and amino resins for use in the automotive, information technology, energy, lifestyle-related, and industrial materials fields. The Basic Chemicals segment manufactures phenol and its derivative products, as well as develops industrial chemical business such as hydroquinone, purified terephthalic acid, and PET resin. The Petrochemicals segment manufactures functional propylene catalysts. The Films & Sheets segment fabricates products such as films and sheets used in the fields of lifestyle, industrial material, IT, and energy. The company was founded on July 1, 1955 and is headquartered in Tokyo, Japan.