2753. REED, H. C., AND BOLT, B. M. (Union Oil Co. of California). Azeotropic Distillation of Toluene. United States Patent 2,413,245, Dec. 24, 1946; appl. filed Oct. 6, 1943, Serial No. 505,150; 11 claims (Cl. 202-42).

PATENTS

2753. REED, H. C., AND BOLT, B. M. (Union Oil Co. of California). Azeotropic Distillation of Toluene. United States Patent 2,413,245, Dec. 24, 1946; appl. filed Oct. 6, 1943, Serial No. 505,150; 11 claims (Cl. 202-42).

Substantially pure toluene can be obtained from mixtures such as Fischer-Tropsch synthesis products by azeotropic distillation with methylethyl ketone in the presence of H₂O.