1. Fuji Silysia Chemical Ltd., Nakatsugawa Technical Center, 1683-1880, Nakagaito, Nasubigawa, Nakatsugawa, Gifu 509-9132, Japan; Tokai Technical Center Foundation, 710, Inokoshi2, Meito-ku, Nagoya, Aichi, 465-0021, Japan; Department of Applied Chemistry, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Aichi 466-8555, Japan; and The Procter and Gamble Company, 8611 Beckett Road, West Chester, Ohio 45069