1. and in Phosphorus Chemistry in Everyday Living, p. 137, ACS, Washington, D. C. (1987).
2. and U.S. Patent 5,457,221, to Akzo Nobel, N.V. (October 10, 1995).
3. Daihachi Chemical Industries, Ltd., Jap. Pat. 227632 (September 21, 1988).
4. and European Patent Application 485,807, FMC Corporation (May 20, 1992).
5. et al., U.S. Patent 5,204,394, to General Electric Company (April 20, 1993).