, taurides or isethionates.The anionic surface-active compounds may be present in the form of their alkali metal salts, such as sodium, potassium, etc. and ammonium salts and also as soluble salts of organic bases, such as mono-, di or triethanolamine.The nonionic surface-active compounds or tensides are usually addition products of 1 to 40, preferably 2 to 20, mols of ethylene oxide to 1 mol of a