Colorants, varnishes, lacquers, paints; anti-rust oils; protective lubricants and coatings for metal; corrosion-resistant sticking coatings for use on metal substrates; anti-corrosive lubricants and coatings; anti-corrosive coatings in the form of paints; preservatives against rust in the nature of a coating; corrosion-resistant coating compounds for metal surfaces; dyestuffs; mordants