Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11737959 | Two-part oxidative dyeing composition | Jens HEILMANN, Steven Breakspear, Peter Bauer | 2023-08-29 |
| 8668746 | Two-part hair colouring composition | Martin Uellner, Alexander Meuser, Sandra Schmelz | 2014-03-11 |
| 8636813 | Hair colouring composition | Martin Uellner, Alexandra Meuser, Sandra Schmelz | 2014-01-28 |