Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436373 | Oligomeric diarylbutadienes | Thomas Wunsch, Horst Westenfelder | 2002-08-20 |
| 6413503 | Use of cyclic enamines as light protection agents | Frank Prechtl, Thomas Wunsch, Horst Westenfelder | 2002-07-02 |
| 6409995 | Use of amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparations | Frank Prechtl, Thomas Wunsch, Horst Westenfelder, Sylke Haremza, Thorsten Bach +1 more | 2002-06-25 |
| 6407247 | Photo-stable cosmetic and pharmaceutical formulations containing UV-filters | Alexander Aumuller, Volker Schehlmann, Horst Westenfelder, Thomas Wunsch | 2002-06-18 |
| 6391289 | Use of sunscreen combinations comprising, as essential constituent, 4,4′-diarylbutadienes as photostable UV filters in cosmetic and pharmaceutical preparations | Thomas Heidenfelder, Thomas Wunsch | 2002-05-21 |
| 6387355 | Use of sunscreen combinations comprising, as essential constituent, amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparations | Thomas Heidenfelder, Thomas Wunsch | 2002-05-14 |