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Literature Abstracts

 1493.    ---------------.  [HORN, W. A.] Review of German Synthetic Lubricants.  Ind. Eng. Chem., vol. 42, 1950, pp. 2428-2436.

       Brief review is presented of the processes used in Germany during World War II to manufacture synthetic lubricating oils.  These lubricants were of 2 general classes, hydrocarbons and nonhydrocarbons.  The former consisted of ethylene polymers, polymers prepared from mixtures of higher boiling olefins produced by the vapor-phase cracking of Fischer-Tropsch wax or gas oil, and the condensation product of chlorinated paraffins and naphthalene.  I. G.-Pölitz, Rhenania-Ossag (Harburg) and Ruhrchemie A.-G. (Holton) had developed methods for the polymerization of higher olefins from the Fischer-Tropsch process.  These are briefly described with the aid of flow diagrams.  The composition and applications of the lubricating oils produced are presented.

        See abs. 872, 873, 874, 875, 876, 877, 878, 1468, 1479.