Chemical products for industrial purposes including as basic products, raw materials and semi-finished products, included in this class, namely auxiliary and finishing products for fibres and yarns, pre-treatment agents for fibres and yarns, textile auxiliary agents for dyeing and printing, finishing agents for fibres and yarns, wetting agents for fibres and yarns, anti-foaming and dispersion agents and emulsifiers for fibres and yarns, spotting agents for fibres and yarns, complexing agents for fibres arid yarns, stabilisers for fibres and yarns, auxiliary agents for chemically cleaning fibres and yarns (excluding cleaning agents), chemical leather and fur reviving and impregnating agents, dressing agents for leather and fur, soaking agent for raw hide and pelts, liming and depilatory agents, included in this class, decalcifiers, tannins, tannin extracts and tannin agents, loading agents and bleaching agents for organic substances, neutralisation agents, included in this class, chemical auxiliary dyeing agents (excluding dyes), wetting agents, levelling agents, chemical colour brightening and intensifying agents for organic substances (excluding dyes), chemical impregnation agents, agents for water-repellent and/or oil-repellent material, flame retardants, chemical post-treatment and dyestuff fixation agents, included in this class, finishing agents, included in this class, finishers and binding agents for leather and fur production.;