201. BOND, H. A. (Roessler & Hasslacher Chemical Co.). Temperature Control of Exothermic Reactions. United States Patent 1,888,066. Nov. 15, 1932; appl. filed Apr. 2, 1930. British Chem. Abs., 1933, B. p. 768.

Only the end of the catalyst body is cooled. This causes the heat to be removed in lines parallel to the gas flow rather than transversely.