On November 28th 1898, 13 mining association, founded the Benzolverband (i.e. benzene association). It's aim was an improved and coordinated commercialization of the benzene extracted in the respective coking plants. Until 1918 the number of involved companies grew to 75. In 1924, the trademark "ARAL" was introduced. "AR" for aromatics (our today's products), and "AL" for aliphates - the petrol hydrocarbons.