2698. ------. [PINTIAUX, O.] (Sociètè de Produits Chimiques et Engrais d’Auby). [Contact Tower for Conversion Under Pressure of Carbon Monoxide and the Like Applications.] Swedish Patent 128,900, Aug. 1, 1950; appl. filed Apr. 6, 1944. Chem. Zentralb., 1951, II, p. 118.

See United States Patent 2,530,314 (abs. 2697).