Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740128 | Agent for coloring fibers | Manuela Javet | 2004-05-25 |
| 6726730 | 7-Nitro-2,1,3-benzoxadiazole derivatives and 7-nitro,2,1,3-benzthiadiazole derivatives and dyes, which contain these compounds and which are used for dying keratin fibers | Gisela Umbricht, Hans-Juergen Braun, Sylviane Oberson | 2004-04-27 |