PATENT

3499. ----- [STANDARD OIL CO.]  Hydrocarbon synthesis.  British Patent 643,606, Sept. 20, 1950; appl. filed Apr. 1, 1948; in United States June 30, 1947.  Petroleum (London), vol. 14, 1951, p. 24; Chem. Abs., vol. 45, 1951, p. 5391.

Improvements, particularly in cooling means for the fluidized catalyst bed for better temperature control, are claimed and described by means of a diagram.