Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8834580 | Ammonium hydroxide-free hair dye compositions containing a buffer system | Otto Goettel, Johann Aeby | 2014-09-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8834580 | Ammonium hydroxide-free hair dye compositions containing a buffer system | Otto Goettel, Johann Aeby | 2014-09-16 |