Chemical products for use in industry, in particular clays and clay minerals, earths for bleaching, absorbents 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 foruse in agriculture, horticulture and forestry; animal feed additives, as far as included in class 1; chemical products for use in science

Preparations and substances, all for swelling and thickening paints and lacquers; pigments