1. Seika Corporation 1‐1‐82 Kozaika 641‐0007 Wakayama Japan
2. Department of Applied Chemistry Graduate School of Engineering Osaka Prefecture University 1‐1 Gakuen‐cho, Naka‐ku 599‐8531 Sakai, Osaka Japan
3. Morinomiya Center Osaka Research Institute of Industrial Science and Technology 1‐6‐50 Morinomiya 536‐8553 Joto‐ku, Osaka Japan