Return to Abstracts of Patents Return to Abstracts of Patents 1250-1499 Patent Abstracts1259. ------. [I. G. FARBENINDUSTRIE A. G.] [Hydrocarbon Synthesis Operation.] German Patent Appl. I 74,496, no date, (Cl. 12 o-5.02). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 212. CO and H2 are reacted with olefins followed by hydrogenation in alternating operating catalyst zones. |