Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12220470 | Pigment suspension and cosmetic agent prepared using the pigment suspension | Gabriele Weser, Ulrike Schumacher, Claudia Kolonko, Caroline Kriener, Jing Hodes +5 more | 2025-02-11 |
| 10780035 | Oxidative hair dyeing agent having reduced hair damage and improved dyeing properties | Gabriele Weser, Ulrike Schumacher, Claudia Kolonko, Constanze Neuba | 2020-09-22 |
| 9463150 | Agent for coloring and/or lightening keratinic fibers without ammonia odor | Manuela Ehlert, Mechtild Grunwald, Constanze Neuba, Norbert Schettiger, Sabine Babiel +3 more | 2016-10-11 |
| 8236063 | Coloring agent with surfactant/emulsifier combination | Anja Reichert, Mechtild Grunwald, Astrid Kleen | 2012-08-07 |