Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255718 | Phosphate-type tensides combined with hair conditioning agents in hair coloring compositions | Mustafa Akram, Wolfgang Wolff | 2007-08-14 |
| 6485528 | Agents for treating keratin fibers | Holger Bartels, Wolfgang Wolff, Stefan Hoepfner | 2002-11-26 |
| 6139853 | Hair colorants and an application mixture for coloring human hair | Mustafa Akram, Wolfgang Wolff, Stephan Schwartz | 2000-10-31 |