1. Allen, T. C., Watson, H. J., US 3,215,719 to Dan River Mills, Inc (11/2/65)
2. Allen, T. C., Watson, H. J., US 3,271,305 to Dan River Mills, Inc (9/6/66)
3. Cooper, B. E., GB 2,041,964 to Dow Corning, Ltd. (9/17/80)
4. Cooper, B. E., GB 2,042,890 to Dow Corning, Ltd. (10/1/80)
5. Yemoto, J., Tarao, R., and Yamamoto, Y, US 4,524,018 to Chisso Chemical (6/18/85)