CFG joined the newly created IG Farben as an associate company in 1916. During the Allied Occupation after World War I, a Major Charles J. P. Ball, DSO, MC, of the Royal Horse Artillery was stationed in Germany. He later joined F. A. Hughes and Co. Ltd., which began manufacturing elektron, the registered trademark of a wide range of magnesium alloys, in the UK under license from IG Farben from around 1923.
CFG merged fully with the IG Farben conglomerate in 1925 along with Versuchsbau Hellmuth Hirth (a copper alloy manufacturer), to form another company, Elektronmetall Bad Cannstatt Stuttgart.
