 In 1925, the Lindener Zündhütchen- und Thoonwaarenfabrik of Empelde was taken over by the Chemische Werke Lothringen GmbH, which itself belonged to BASF.Production was stopped in 1928 and did not restart until the rearmament which occurred in 1938.During the 1920s, the company collaborated closely with the Siegener Dynamitfabrik AG and the Rheinisch-Westfälischen Sprengstoff-AG which belonged to I.G.