Return to Abstracts of Patents Return to Abstracts of Patents 250-499 Patent Abstracts332. ------. [CASALE, L.] Apparatus for Efficiency Gas Reactions Such as Catalytic Production of Sulfuric Acid, Ammonia or Methanol. United States Patent 1,790,853, Feb. 3, 1931. Chem. Abs., vol. 25, 1931. p. 1642. Describes various details of an apparatus with baffle plates and partitions arranged for heat exchange between products of reaction and gases supplied for the reaction. |