Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7670391 | Dye-containing pellets for coloring keratin fibers | Juergen Schmenger, Petra Braun | 2010-03-02 |
| 7458992 | Dye-containing pellets for dyeing keratin fibres | Juergen Schmenger, Petra Braun | 2008-12-02 |