Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488915 | Use of sunscreen combinations which comprise, as essential constituent, 2-(4-alkoxyanilinomethylene) malonic dialkyl esters as photostable UV filters in cosmetic and pharmaceutical preparations | Thomas Heidenfelder, Kristin Tiefensee | 2002-12-03 |
| 6458342 | Use of sunscreen combinations comprising, as essential constituent, 2,2′-p-phenylenebis (3,1-benzoxazin-4-one) as photostable UV filters in cosmetic and pharmaceutical preparations | Thomas Heidenfelder, Kristin Tiefensee | 2002-10-01 |
| 6436373 | Oligomeric diarylbutadienes | Thorsten Habeck, Horst Westenfelder | 2002-08-20 |
| 6416773 | Cosmetic or dermatological light protection agent preparations | Thomas Heidenfelder, Volker Schehlmann, Wilma M. Dausch | 2002-07-09 |
| 6413503 | Use of cyclic enamines as light protection agents | Thorsten Habeck, Frank Prechtl, Horst Westenfelder | 2002-07-02 |
| 6409995 | Use of amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparations | Thorsten Habeck, Frank Prechtl, Horst Westenfelder, Sylke Haremza, Thorsten Bach +1 more | 2002-06-25 |
| 6407247 | Photo-stable cosmetic and pharmaceutical formulations containing UV-filters | Thorsten Habeck, Alexander Aumuller, Volker Schehlmann, Horst Westenfelder | 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, Thorsten Habeck | 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, Thorsten Habeck | 2002-05-14 |