Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597854 | Latent light stabilizers | Jean-Luc Birbaum, Gerhard Rytz, Vien Van Toan, Andreas Valet | 1997-01-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597854 | Latent light stabilizers | Jean-Luc Birbaum, Gerhard Rytz, Vien Van Toan, Andreas Valet | 1997-01-28 |