1. Chewier, L. A.; Nisbet, T. M.; Powell, J. B.(Shell International Research Maatschappij B.V.).Method and apparatus for producing styrene by catalytic dehydration of 1-phenylethanol. World Patent WO 2004/020370 A1, 2004.
2. Ignatyev, N., Welz-Biermann, U., Koppe, K., Barthen, P., and Frohn, H. J.Dehydration of alcohols to give alkenes or ethers. U.S. Patent 2009/0062571 A1, 2009.
3. Boelens, M., Horton, A. D., Nisbet, T. M., and Van Oort, A. B.(Shell International Research Maatschappij B.V.).Process for Preparing Styrene. World Patent WO 2005/054157 A1, 2005.
4. Lamson, J., Hall, R. H., and Yats, L. D.(The Dow Chemical Company B.V.).Dehydration of α-methylbenzyl alcohols to form monovinylidene aromatic monomers. U.S. Patent 4,049,736, 1977.