76337539
Nov 9, 2001
Sep 2, 2003
Chemical products for use in industry, in particular, clays and clay minerals, earths for bleaching, adsorbents and drying agents, preparations for use as auxiliaries in foundries, swelling agents and thickening agents, all based on clays, suspensions for use as drilling fluids or drilling muds, fillers carriers substances, mineral acids, catalysts and carrier substances for catalysts, preparations for purification of water and waste water; chemical products for use in agriculture, horticulture and forestry; animal feed additives; chemical products for use in science
Chemicals