âŠof other firms, formed the Interessengemeinschaft der Deutschen Teerfarbenfabriken (âSyndicate of German Coal-Tar Dye Manufacturersâ). This âlittle IGâ was no more than a loose association: member companies remained independent, while dividing production and markets and sharing information. In 1925, after protracted legal and fiscal negotiations, the âbig IGâ was formed:âŠ
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