425. COMPAGNIE INTERNATIONALE POUR LA FABRICATION DES ESSENCES ET PÉTROLES. Hydrogenation of Fuel Gases. British Patent 302,683. Feb. 13, 1929: appl. filed Dec. 5, 1928. Chem. Zentralb., 1929, II. P. 519.

Patent Abstracts

Coke oven gas is treated with gases containing H₂ in the presence of catalysts such as Ni. The hydrogenation is performed between 2 purifying operations.

See Austrian Patent 117,870 (abs. 426).