WESEL, Germany – ALTANA has signed an agreement to acquire Kometra Kunststoff-Modifikatoren und-Additiv GmbH. The company produces polymer modifiers in Schkopau, Saxony-Anhalt, Germany. These modifiers are specific surface-active copolymers, which are used as impact modifiers and adhesion promoters in many applications. The company will be integrated into ALTANA’s BYK Additives & Instruments division.