Fatty acids, C18-unsatd., dimers, oligomeric reaction products with 2-(2-aminoethylamino)ethanol, 5(or 6)-carboxy-4-hexylcyclohex-2-ene-1-octanoic acid, fatty acids, C16-18 and C18 unsatd., branched and linear, 4,4'-isopropylidenediphenol-1-chloro-2,3-epo