1864.  ------. [KITA, G.] [Method of Preparing an Iron Catalyst in Synthesizing Gasoline.] German Patent Appl. ---, filed May 6, 1939, APC SN 272,175.

Method of producing an Fe catalyst comprises forming a nitrate solution containing metals consisting of 100 parts of Fe, 25 of Cu, and 2 of Mn by weight, adding 125 parts by weight of diatomaceous earth and precipitating compounds of said metals on the earth by adding K₂CO₃, washing the precipitate with H₂O and adding thereto 3 parts by weight of KOH, drying the combined precipitate and caustic, adding 20 parts by weight of liquid boric acid to form a resultant product, and drying the product.