PATENTS

      194.     -----.  [BLACK, J. F., AND KEARBY, K. K.]  (Standard Oil Development Co.).  Hydrocarbon Synthesis.  United States Patent 2,593,250, Apr. 15, 1952; appl. filed July 30, 1947, Serial No. 764,928, 2 claims (Cl. 260-449.6).

Valuable conversion products are produced from CO and H2 in the presence of Fe catalysts by contacting the CO and H2 in synthesis proportions and under synthesis conditions with catalyst particles containing ferrosilicon from which about 1.5-3 wt. % of silicon based on the total catalyst has been removed by etching with a caustic alkali solution.