Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10987287 | Powdered hair colour with percarbonate in a water-soluble film | Udo Erkens, Torsten Lechner | 2021-04-27 |
| 10888512 | Thickening system for a percarbonate-containing colour composition and storage in a multilayer sachet | Udo Erkens, Torsten Lechner | 2021-01-12 |