1. Department of Chemistry Institute for Coatings and Surface Chemistry Niederrhein University of Applied Sciences Adlerstr. 1 47798 Krefeld Germany
2. College of Chemistry Beijing Normal University No. 19, Xinjiekouwai St. Haidian District Beijing 100875 P. R. China
3. San-Apro Ltd. 1-40, Goryo-Ohara, Nishikyoku Kyoto 615-8245 Japan
4. FEW Chemicals GmbH Technikumstraße 1 06766 Bitterfeld-Wolfen Germany
5. Spectrum Info Ltd. Murmanskaya 5 02094 Kyiv Ukraine
6. Hubei Gurun Technology Co., LTD. Jingmen Chemical Recycling Industrial Park 448000 Jingmen Hubei Province P. R. China
7. Department of Physical Chemistry and Center of Nanointegration (CENIDE) University of Duisburg-Essen Universitätsstr. 7 45141 Essen Germany