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PATENTS 2879.----- [RUHRCHEMIE A. G.] Catalytic Apparatus British patent 460,718, Dec. 1, 1938; appl. filed June 1 1937. Chem. Abs., vol. 33, 1939, p. 3213. Reaction chamber for the catalytic synthesis of benzine from CO and H2 is traversed by tubes connected in parallel by headers in a circuit comprising a boiler, so that cooling H2O is circulated by thermosyphonic action. A number of reaction vessels may be connected to the same boiler. |