Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6338838 | Photostable cosmetic light screening compositions | Guy Berset, Joel Richard, Dominique Sidrac | 2002-01-15 |
| 6033649 | Light screening agents | Hans Ulrich Gonzenbach | 2000-03-07 |
| 4554369 | Organosilicon compounds and preparation and use thereof | Michael Hill | 1985-11-19 |