1. Brent, R.J., and D.A. Blaha, U.S. Patent 5,385,655; assignors to Man-Gill Chemical Co.
2. Carlson, L.R., et al., U.S. Patent 5,401,337; assignors to Henkel Corp.
3. Dolan, S.E. (I), U.S. Patent 5,427,632; assignor to Henkel Corp.
4. Dolan, S.E. (II), U.S. Patent 5,449,414; assignor to Henkel Corp.
5. Dolan, S.E. (III), U.S. Patent 5,449,415; assignor to Henkel Corp.