2359.     NAPHTHALI, M.  [Methanol Coal Liquefaction.  Combined Hydrogenating and Cracking Processes.]  Gas- u. Wasserfach, vol. 72, 1929, pp. 1178-1184; Chem. Abs., vol. 24, 1930, p. 942.

        Review of patents and literature on the Bergius and I. G. Farbenindustrie processes of coal liquefaction, MeOH synthesis, and hydrogenation of hydrocarbons.  The construction and heating of high-pressure reaction vessels are reviewed.