Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6416773 | Cosmetic or dermatological light protection agent preparations | Thomas Heidenfelder, Volker Schehlmann, Thomas Wunsch | 2002-07-09 |
| 6380338 | Polymers for cosmetic formulations | Helmut Witteler, Reinhold Dieing, Axel Sanner, Jacqueline Engesser | 2002-04-30 |