Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5725844 | Waterproof cosmetic or dermatological photoprotective preparations | Stefan Hachmann, Bente Nissen, Sabine Schultz | 1998-03-10 |
| 5658556 | Cosmetic or dermatological preparations comprising hydrophobicized inorganic pigments for preserving the urocaninic acid state of the skin | Sabine Schulz, Beate Uhlmann, Ulrich Hintze, Robert Schmucker | 1997-08-19 |
| 5520905 | Cosmetic or dermatological preparation comprising delta-aminolevulinic acid content as an active ingredient | Beate Uhlmann, Tobias Mann, Gerhard Sauermann | 1996-05-28 |