Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7455698 | Cationic dyes and dyestuff for keratin fibres containing said compounds | Laurent Chassot, Laurence Descloux, Gisela Umbricht, Hans-Juergen Braun | 2008-11-25 |
| 7214248 | Multi-component kit and method for temporarily dyeing and later decolorizing hair | Manuela Javet, Catherine Mueller, Gisela Umbricht, Hans-Juergen Braun, Otto Goettel +1 more | 2007-05-08 |
| 7083656 | 7-nitro-2,1,3-benzoxadiazole and 7-nitro-2,1,3-benzthiadiazole derivatives, as well dyeing agents for keratin fibers containing these compounds | Gisela Umbricht, Hans-Juergen Braun, Catherine Mueller | 2006-08-01 |
| 7070625 | Agent and method for coloring keratin fibers containing 2-benzothiazolinone-hydrazone and quinone derivatives | Cecile Pasquier, Gisela Umbricht, Veronique Buclin-Charriere, Hans-Juergen Braun | 2006-07-04 |
| 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 | Gisela Umbricht, Hans-Juergen Braun, 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 | Gisela Umbricht, Hans-Juergen Braun, Catherine Mueller | 2005-03-22 |
| 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, Catherine Mueller | 2004-04-27 |