Issued Patents 2016
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9511009 | Reduction of the autoxidation of agents for the oxidative dyeing and/or bleaching of keratin fibers | Frank Janssen | 2016-12-06 |
| 9463150 | Agent for coloring and/or lightening keratinic fibers without ammonia odor | Manuela Ehlert, Irmgard Bender, Mechtild Grunwald, Norbert Schettiger, Sabine Babiel +3 more | 2016-10-11 |
| 9445977 | Multi-tonal one step dyeing | Frank Janssen | 2016-09-20 |
| 9402795 | Multi-tonal one-step dyes | Frank Janssen | 2016-08-02 |
| 9402797 | Multi-tonal one step dyes III | Frank Janssen | 2016-08-02 |