PATENTS

3467.   ------.  [SOCIETA ANON. PRODOTTI ITALIANI SINTETICI.]  Catalytic Apparatus and Processes.  British Patent 496,159, Nov. 25, 1938; appl. filed Nov. 26, 1937.  Chem. Abs., vol. 33, 1939, p. 2773.

Temperature of exothermic catalytic reactions is controlled by suspending the catalyst in a fluid capable of absorbing heat and passing this suspension through a reaction zone at a rate sufficient to remove excess heat.  The invention is illustrated as applied to the synthesis of hydrocarbons from CO and steam.