Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6352581 | Coating agent for reducing the soiling process of facades | Klaus Murjahn, Hermann Ackermann | 2002-03-05 |
| 5824147 | Silicate compound | Andreas Drechsler, Daniel Neupert, Simon Newham | 1998-10-20 |