OCCIDENTAL <OXY> SELLS UNIT TO <HENKEL KGAA> Henkel KGaA of Dusseldorf, West Germany, said it has completed the acquisition of the Process Chemicals Division of Occidental Petroleum Corp's <OXY> Occidental Chemical Corp subsidiary for undisclosed terms. Process Chemicals, acquired from Diamond Shamrock Corp <DIA> in September, makes specialty chemicals for a variety of industrial markets and has annual sales of about 160 mln dlrs.