Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6908492 | 7-nitro-2,1,3-benzoxadiazole and 7-nitro-2,1,3-benzthiadiazole derivatives, as well dyeing agents for keratin fibers containing these compounds | Hans-Juergen Braun, Sylviane Oberson, Catherine Mueller | 2005-06-21 |
| 6869454 | 7-Nitro-2,1,3-benzoxadiazole and 7-nitro-2,1,3-benzthiadiazole derivatives, as well dyeing agents for keratin fibers containing these compounds | Hans-Juergen Braun, Sylviane Oberson, Catherine Mueller | 2005-03-22 |