Issued Patents 2004
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835211 | Direct hair dyes and use thereof | David Rose, Bernd Meinigke | 2004-12-28 |
| 6828443 | Dyes and colorants | Detlef Hollenberg, Frank Naumann, David Rose, Leszek J. Wolfram, Joachim-Kurt Foitzik | 2004-12-07 |
| 6818023 | Colorants | Klaus Schumann, Winifried Neuhaus | 2004-11-16 |
| 6814761 | Direct hair colorants | Frank Naumann, David Rose, Bernd Meinigke | 2004-11-09 |
| 6790239 | Agent for coloring keratin containing fibers | Hinrich Moeller, Doris Oberkobusch | 2004-09-14 |
| 6787128 | Structure-improving hair care agents | Astrid Kleen, Frank Naumann, Oliver Brabaender | 2004-09-07 |
| 6770102 | Agent for dying keratin fibers | Hinrich Moeller, Doris Oberkobusch | 2004-08-03 |
| 6755872 | Dyeing agent for keratinous fibers | Hinrich Moeller, Doris Oberkobusch | 2004-06-29 |
| 6743263 | Method for coloring keratin fibers | Doris Oberkobusch, David Rose, Melanie Hitz | 2004-06-01 |
| 6736862 | Indole/indoline based hybrid dyes and indole/indoline based hybrid dye intermediate products | Frank Naumann, Detlef Hollenberg, David Rose | 2004-05-18 |
| 6688314 | Application device for highlighting hair | Hans Schneider, Detlef Hollenberg, Peter Solich | 2004-02-10 |