Return to Abstracts of Patents Return to Abstracts of Patents 750-999 Patent Abstracts784. 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. |