2783.     REFINER.  Synthetic Lubricating Oils by Transformation of Chlorinated Hydrocarbons.  Vol. 16, 1937, pp. 92-93.

        Suitable paraffin wax is obtained from petroleum from low temperature carbonization of coal tar, lignite tars, or directly from waxy products of the Fischer-Tropsch synthesis.  Chlorination is carried out by passing Cl gas at maximum temperature through melted wax with I as catalyst.