Ernst Krendlinger is Head of R&D at the company DEUREX in Elsteraue (Germany) since 2009. He studied chemistry in Mainz (Germany) and received his doctorate at the Max-Planck-Institute for Polymer Science in 1988. In between 1991 and 1997, he worked as technology manager coatings additives and waxes for the company Lubrizol, formerly known as Langer & Co., in Cleveland (USA) and Ritterhude (Germany). In 1997, Krendlinger started to work as R&D manager for waxes at Clariant in Höchst (Germany) and became Head of the grinding station for additional waxes in 2002.

Uwe H. Wolfmeier studied Physical Chemistry at the University of Hamburg. He received his doctorate in 1980 on a topic of solid-state chemistry. Following he joined the Plastics and Waxes Division of Hoechst AG in Frankfurt. After several years in polyethylene R&D, technical application, and pilot plant operation, he became a member of the Corporate Planning Department. Next, he was appointed Production Manager of a polyethylene plant in Bavaria. In 1988 he assumed responsibility for diverse functions in the Waxes and later also Plastics Additives business, in a managerial position at the Gersthofen plant site, near Augsburg. From 1997 he worked for Clariant in Switzerland. As an executive, from 2005 to his retirement in 2010, he was responsible for Product Safety worldwide.

1. Waxes in General
2. Actual Definition of Waxes
3. Chemistry and Physics of Waxes
4. Synthetic Waxes
5. Natural Waxes