Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |