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Patent Abstracts

      784.  GAVRILOV, V. S.  [Utilization of the Heat of Reaction in the Formation of Ammonia or Methanol.]  Russian Patent 44,237. Sept 30. 1935.  Chem. Abs., vol. 32, 1938. p. 3102.

            Gases are brought into contact with the catalyst in 2 stages, with preheating before each stage by utilization of the heat of reaction.