abstract |
The invention relates to the use of oxyalkylated fatty amines and fatty amines of the formula (I) ula (II)-(V) <IMAGE> <IMAGE> in which R is C6-C22-alkyl, x is a number from 5 to 40, y is a number from 5 to 70 and z is 0-70% by weight of ethylene oxide, based on compounds of the formula (I) having x ethylene oxide units and y propylene oxide units, as demulsifiers, corrosion inhibitors and/or pour point depressants in crude oils. |