Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7393366 | Agents for coloring keratin fibers | Eric Tinguely, Otto Gottel, Hans-Jurgen Braun | 2008-07-01 |
| 7326254 | Means and method for the simultaneous bleaching and dyeing of keratin fibres | Caroline Kiener, Hans-Juergen Braun | 2008-02-05 |
| 7294151 | Means and method for dyeing keratin fibres | Caroline Kiener, Hans-Juergen Braun | 2007-11-13 |
| 7291183 | Agent and method for dyeing keratin fibers | Veronique Buclin, Caroline Kiener, Anita Roulin, Hans-Juergen Braun | 2007-11-06 |
| 7244278 | Agent and method for oxidative coloring of keratin fibers | Veronique Buclin, Caroline Kiener, Nadja Duc-Reichlin, Hans-Juergen Braun | 2007-07-17 |
| 7156884 | Compositions and methods for dyeing keratinous fibers | David Rozzell, Juergen Allwohn, Laurent Chassot, Guido Sauter, Veronique Buclin-Charriere | 2007-01-02 |
| 7128764 | M-aminophenol derivatives and coloring agents containing them | Patrick Wyss, Hans-Juergen Braun | 2006-10-31 |
| 7077872 | Oxidation hair dyes containing 3-aminophenol derivatives, and novel 3-aminophenol derivatives | Patrick Wyss, Hans-Juergen Braun | 2006-07-18 |
| 7070625 | Agent and method for coloring keratin fibers containing 2-benzothiazolinone-hydrazone and quinone derivatives | Gisela Umbricht, Veronique Buclin-Charriere, Sylviane Oberson, Hans-Juergen Braun | 2006-07-04 |
| 7056349 | Agent containing quinonimine derivatives and used to color keratin fibres, and associated method | Veronique Buclin-Charriere, Patrick Wyss | 2006-06-06 |
| 6773463 | Agent and method for dyeing keratin fibers | Véronique Charrière, Hans-Jurgen Braun | 2004-08-10 |
| 6749645 | Use of 4-nitro-2,1,3,-benzoxadiazole derivatives as dyes in coloring agents for keratin fibres | Véronique Charrière, Hans-Juergen Braun | 2004-06-15 |
| 6570019 | Cationic pyrrolo-pyrrol-derivatives, method for producing them and colorants for keratin fibers, containing these compounds | Patrick Wyss, Hans-Juergen Braun | 2003-05-27 |
| 5262501 | Mixtures of spiroheptadienes | Sheik A. Zahir, Wolfgang Scharf, Maurice Dupre | 1993-11-16 |