1. U.S. Patent 2,371,068, Rochow, E.G. April 30, 1940, assigned to General Electric.
2. Schueller, R., and P. Romanowski, Conditioning Agents for Hair and Skin, Marcel Dekker, New York, 1999, p. 205.
3. Stock, A., Ber. Deutsch. Chem. Ges. 49:108 (1916).
4. U.S. Patent 2,384,284 issued September 1945, to McGregor, assigned to Dow Corning Corporation.
5. Goddard, E.D., and J. Gruber, Principles of Polymer Science and Technology in Personal Care Products, Marcel Dekker, New York, 1999, p. 295.