Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11628131 | Ammonia-free bleaching kit for gentle brightening of keratinous fibers | Bernd Anderheggen, Oliver Nemitz | 2023-04-18 |
| 9463150 | Agent for coloring and/or lightening keratinic fibers without ammonia odor | Manuela Ehlert, Irmgard Bender, Constanze Neuba, Norbert Schettiger, Sabine Babiel +3 more | 2016-10-11 |
| 8236063 | Coloring agent with surfactant/emulsifier combination | Anja Reichert, Irmgard Bender, Astrid Kleen | 2012-08-07 |