Polymer Chemistry, Pesticides and Agrochemical Chemistry, Industrial Chemistry, Physical Chemistry, Organic Chemistry, Analytical Chemistry. Agrochemical companies are the second largest users of fine chemicals. Agrochemical companies Syngenta and Bayer CropScience both began legal proceedings to object to the ban. Roussel Uclaf's agrochemical operations had been transferred to Hoechst Schering AgrEvo GmbH in 1994. Agrochemical companies such as Bayer have begun investing in the technology. Threats to it are agrochemical pollution and wetland reclamation for housing and vegetable farms. CropLife International is an international trade association of agrochemical companies founded in 2001. In addition to conventional agrochemical business, it is involved in genetic engineering of food. The club is owned by the Agrochemical and Food Company Limited. In the late 1980s, a drive began in Central Asia to reduce agrochemical usage.