Discusses metal soaps of interest to the paint and related industries, in particular those of di-, tri- and tetravalent metals with stearic-, naphthenic-, octoic-, neo-, rosin, and tall oil fatty-acids. The industrially-used metals include magnesium, aluminum, calcium, titanium, manganese, iron, cobalt, copper, zinc, zirconium, cadmium, tin, barium, cerium, mercury, and lead.