Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7393887 | Stabilizer system for stabilizing halogen-containing polymers | Hans-Helmut Friedrich, Karl-Josef Kuhn, Wolfgang Wehner | 2008-07-01 |
| 7358286 | Stabilizer system for stabilizing PVC | Hans-Helmut Friedrich, Karl-Josef Kuhn, Wolfgang Wehner | 2008-04-15 |