1 Chemical products for industrial use, particularly additives for lubricants, greases, industrial oils, motor oils, gear oils, compressor oils and for hydraulic oils, all these additives with chemical and physical properties, as well as additives for fuels, particularly gasoline and diesel fuel; additives for radiator liquids; antifreeze solutions in the form of additives for radiator liquids and for water in devices for washing windshields; de-icing products; impregnating materials for motor car convertible tops; chemical products in aerosol form for establishing electrical contact