2035. LEFFER, F. W. (Universal Oil Products Co.). Apparatus for Effecting Fluidized Contact Between Solid Particles and Fluid Mediums. United States Patent 2,584,391, Feb. 5, 1952; appl. filed Mar. 29, 1947, Serial No. 738,130; 5 claims (Cl. 23-288).

PATENTS

2035. LEFFER, F. W. (Universal Oil Products Co.). Apparatus for Effecting Fluidized Contact Between Solid Particles and Fluid Mediums. United States Patent 2,584,391, Feb. 5, 1952; appl. filed Mar. 29, 1947, Serial No. 738,130; 5 claims (Cl. 23-288).

Apparatus is described for nonmechanically contacting fluid media with finely divided solid particles in exothermic reactions, such as the Fischer-Tropsch synthesis, or for the catalytic hydrogenation of olefinic compounds with regeneration of the catalysts.