1. Bloch, H. S., Manen, H. E. (to Universal Oil Products Company), U. S. Patent 2,691,040 (Oct. 5, 1954).
2. Carlson, E. J., Flint, G., Gilbert, E. E., Nychka, H. B., Ind. Eng. Chem.,50, 276 (1958).
3. Continental Oil Company, Petrochemical Department, “Neolene 400, Intermediate for Synthetic Detergents,” 1955.
4. Flint, G., “Encyclopedia of Chemical Technology,” vol. 13, p. 501, New York, the Interscience Encyclopedia, 1954.
5. Geiser, P. E. (to Continental Oil Company), U. S. Patent 2,806, 875 (Sept. 17, 1957).