2792. ----- [ROELEN, O.] (Ruhrchemie A. G.). [Contact Catalysts for Synthesizing Benzine.] German Patent 729,060, Nov. 12, 1942; appl. R 99,888, R 356, filed July 23, 1937 (Cl. 12 o-1.03). FIAT Reel AA-90, frames 1,578-1,580; PB 70,275; Chem. Zentralb.

PATENTS

2792. ----- [ROELEN, O.] (Ruhrchemie A. G.). [Contact Catalysts for Synthesizing Benzine.] German Patent 729,060, Nov. 12, 1942; appl. R 99,888, R 356, filed July 23, 1937 (Cl. 12 o-1.03). FIAT Reel AA-90, frames 1,578-1,580; PB 70,275; Chem. Zentralb., 1943, I. p. 1741; Meyer transl. PC-S-II, Fischer-Tropsch, vol. v, 1949, ch. 143, p. 1; Chem. Abs., vol.38, 1944, p. 462.

The contracts contain Co or Co and Ni, which are precipitated on carriers from parent materials containing also Fe, Cu, Al. and Ca. In the solution from which the active metals are precipitated, the total amount of Fe, Cu, and Ca is up to 1% of the active metals.