2633. PFANNMÜLLER, W. AND REICHART, J. (I. G. Farbenindustrie A. G.). [Process and Equipment for Carrying Out Catalytic Gas Reactions.] German Patent 744,075, Jan. 8, 1944; appl. I 65,343, Aug. 3, 1939 (Cl. 12 g-4.01). FIAT Reel E 29, frames 607-609; PB 70,432.

Describes process and apparatus for carrying out exothermic gas reactions in a converter with tube bundles and with regulated heat exchange between the catalyst mass and the incoming fresh gas with drawings.