Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6069170 | Light screening compounds and compositions | Alain Bringhen, Hans Ulrich Gonzenbach, Dominique Sidrac | 2000-05-30 |
| 6048516 | Light-screening agents | Alain Bringhen, Hans Ulrich Gonzenbach | 2000-04-11 |