Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5840786 | Plastisol composition | Michael Beck, Lutz Jeromin, Wolfgang Ritter | 1998-11-24 |
| 5770639 | Use of selected, biologically safe stabilizers in polyvinyl-ester-based impregnating compositions for soil stabilization | Wolfgang Ritter, Stephan von Tapavicza | 1998-06-23 |