Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9770397 | Oxidative dyeing composition | Jürgen Ehmig, Manuella Jourdan, Sandra Schmelz | 2017-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9770397 | Oxidative dyeing composition | Jürgen Ehmig, Manuella Jourdan, Sandra Schmelz | 2017-09-26 |