Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569211 | 5,6-dihydroxyindolines as additives for hair dyeing preparations | Detlef Hollenberg, Mechthild Borgerding | 2003-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569211 | 5,6-dihydroxyindolines as additives for hair dyeing preparations | Detlef Hollenberg, Mechthild Borgerding | 2003-05-27 |