Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790239 | Agent for coloring keratin containing fibers | Hinrich Moeller, Horst Hoeffkes | 2004-09-14 |
| 6770102 | Agent for dying keratin fibers | Hinrich Moeller, Horst Hoeffkes | 2004-08-03 |
| 6755872 | Dyeing agent for keratinous fibers | Hinrich Moeller, Horst Hoeffkes | 2004-06-29 |
| 6743263 | Method for coloring keratin fibers | Horst Hoeffkes, David Rose, Melanie Hitz | 2004-06-01 |