73.    ARMITAGE, G. E.  Chemical Conversions of Lighter Hydrocarbons.  Refiner and Nat. Gasoline Mfr., vol. 20, 1941, pp. 327-336; Chem. Abs., vol. 36, 1942, p. 1472.

               Detailed discussion of the commercial processes for converting light hydrocarbons into usable products.  The processes include catalytic and thermal polymerization and alkylation, gas reversion, isomerization, dehydrogenation, Fischer-Tropsch synthesis, aromatization and hydroforming, and synthetic-rubber production.  47 refs.