PATENTS 

12. ------.  [ALBERTS, L.]  (Hydrocarbon Synthesis Corp.).  Production of Hydrocarbons by Catalytic Hydrogenation of Carbon Monoxide.  United States Patent 2,238,766. Apr. 15, 1941: appl. Filed Apr. 13, 1938, Serial No. 201,807: in Germany Apr. 17, 1937: 3 claims (Cl. 260-449).  Chem. Abs., vol. 35, 1941. p. 4777.

            Describes arrangement of apparatus and a method of operation in which the temperature of the reaction zone is controlled by means of a boiling cooling medium, such as H20 conducted in tubes across the reaction zone under a pressure corresponding to the temperature desired in the reaction zone.