Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7517368 | Indolylthiazoliumazo dyes-containing colorants for keratin fibers | Cecile Pasquier, Veronique Buclin, Caroline Kiener, Hans-Juergen Braun | 2009-04-14 |
| 7431741 | Brightening colorant with indolythiazolium dyes | Cecile Pasquier, Veronique Buclin, Caroline Kiener, Hans-Juergen Braun | 2008-10-07 |
| 6977001 | Dye compositions containing quinolinium salts | Guido Sauter, Hans-Juergen Braun | 2005-12-20 |