Celanese is a holding company. Through its subsidiaries, Co. is a chemical and specialty materials company. Co. is a producer of engineered polymers and acetyl products, which are intermediate chemicals. Co.'s segments are: Engineered Materials, which develops, produces and supplies specialty polymers for automotive and medical applications, as well as industrial products and consumer electronics; Acetate Tow, which is a producer and supplier of acetate tow and acetate flake, primarily used in filter products applications; and Acetyl Chain, which includes the integrated chain of intermediate chemistry, emulsion polymers, ethylene vinyl acetate polymers and redispersible powders businesses.