Lanxess AG is a Germany-based chemical company. Its activities are divided into three main segments. The Performance Polymers segment encompasses the activities of the Lanxess Group in the production of rubber and plastics, and includes Butyl Rubbers, Performance Butadiene Rubbers, Technical Rubber Products and Semi-Crystalline Products business units. The Advanced Intermediates segment is engaged in the development, production and marketing of industrial and fine chemicals and includes Basic Chemicals and Saltigo business units. The Performance Chemicals segment combines the Group's application-oriented activities in the field of process and functional chemicals, and includes Material Protection Products, Inorganic Pigments, Functional Chemicals, Leather, Rhein Chemie, Rubber Chemicals and Ion Exchange Resins business units. On July 8, 2011, the Company's Rhein Chemie Rheinau GmbH acquired silicone-based tire-release agent business.