Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620408 | Bleaching composition | Horst Hoeffkes | 2003-09-16 |
| 6537330 | Colorants | Horst Hoeffkes, Klaus Schumann | 2003-03-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620408 | Bleaching composition | Horst Hoeffkes | 2003-09-16 |
| 6537330 | Colorants | Horst Hoeffkes, Klaus Schumann | 2003-03-25 |