1. Simplification and Intensification of a C5 Separation Process
2. Tian, B. L.; Li, P. Y.; Du, C. P.; Xu, H.; Feng, H.; Hu, J.; Gao, J.; Ma, M.Process for separating C5 cuts obtained from a petroleum cracking process. US Pat. 0,100,809P, May.29, 2003.
3. Lindner, A.; Ulrich, B. R.; Klaus, L.Recovery of isoprene from A C5-hydrocarbon mixture. US Pat. 4,647,344P, Mar. 3, 1987.
4. Hein, R. W.Extractive distillation of C5 hydrocarbons using acetonitrile and additives. US Pat. 4,081,332P, Mar. 28, 1978.