Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7244277 | Oxidation colorant in a tube | Astrid Kleen, Mustafa Akram, Stefan Hoepfner | 2007-07-17 |
| 6871652 | Method for permanently shaping keratin fibers, and agents | Burkhard Mueller, Thorsten Knappe, Dirk Bichels | 2005-03-29 |
| 6772576 | Method for filling a tube and corresponding device | Stefanie Luehr, Martin Wemlinger | 2004-08-10 |