1. L. Berg, A.I. Yeh, Separation of methyl acetate from methanol by extractive distillation, Patent No. US 4543164 A, 1985.
2. L. Weisbach, A. Lorenz, R. Walter, H. Schlief. Azeotropic distillation of methyl acetate, Patent No. DD 241253 A1, 1986.
3. V.H. Agreda, L.R. Partin, Reactive distillation process for the production of methyl acetate, Patent No. US 4435595 A, 1984.
4. M.S. Chen, Separation of azeotropes in poly(vinyl alcohol) process, Patent No. US 5292804 A, 1994.
5. K. Amemiya, Separation of liquid mixtures, Patent No. JP 53045677 A, 1978.