Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5728313 | Leather oiling compositions and their use | Wolfgang Ritter, Rudolf Zauns-Huber, Emil Ruscheinsky | 1998-03-17 |
| 5522971 | Dry neutralization of olefinically reactive organic liquid phases | Wolfgang Ritter | 1996-06-04 |
| 5489389 | New leather oiling preparations and their use | Wolfgang Ritter, Rudolf Zauns-Huber, Emil Ruscheinsky | 1996-02-06 |