1
Lloyd Berg, Pisant Ratanapupech: Separation of ethyl acetate from ethanol and water by extractive distillation. April 5, 1983: US04379028 (138 worldwide citation)

Ethyl acetate cannot be completely removed from ethanol and water mixtures by distillation because of the presence of the minimum ternary azeotrope. Ethyl acetate can be readily removed from mixtures containing it, ethanol and water by using extractive distillation in which the extractive distillati ...


2
Lloyd Berg, Pisant Ratanapupech: Process for the separation of ethyl acetate from ethanol and water by extractive distillation. February 11, 1986: US04569726 (75 worldwide citation)

Ethyl acetate cannot be completely removed from ethanol and water mixtures by distillation because of the presence of the minimum ternary azeotrope. Ethyl acetate can be readily removed from mixtures containing it, ethanol and water by using extractive distillation in which the extractive distillati ...