Issued Patents All Time
Showing 1–25 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7225920 | Mixing device | Ullrich Bernecker, Martina Seiler | 2007-06-05 |
| 7211119 | Coupling components | George Knuebel, Ralph Nemitz | 2007-05-01 |
| 7198648 | Coupling component for oxidative hair dyes | Frank Naumann, Astrid Kleen, Bernd Meinigke | 2007-04-03 |
| 7169193 | Use of sugar surfactants and fatty acid partial glycerides | Astrid Kleen, Christa Rohland, Bianca Frauendorf | 2007-01-30 |
| 7135047 | M-phenylenediamine derivatives as coupler components for the coloring of keratinic fibers | Georg Knuebel, Bernd Meinigke, Ralph Nemitz | 2006-11-14 |
| 7105032 | Agents used for dyeing keratinous fibers | Wibke Gross, Sandra Mausberg, Doris Oberkobusch | 2006-09-12 |
| 7081140 | Developer components and their use for dyeing keratinic fibers | Georg Knuebel, Bernd Meinigke, Helmut Giesa | 2006-07-25 |
| 7060109 | Hair dyeing agents containing indigo derivatives | Karin Nelles, Hinrich Moeller | 2006-06-13 |
| 6863698 | Agent for dyeing keratin containing fibers | David Rose, Bernd Meinigke | 2005-03-08 |
| 6835211 | Direct hair dyes and use thereof | David Rose, Bernd Meinigke | 2004-12-28 |
| 6828443 | Dyes and colorants | Detlef Hollenberg, Frank Naumann, David Rose, Leszek J. Wolfram, Joachim-Kurt Foitzik | 2004-12-07 |
| 6818023 | Colorants | Klaus Schumann, Winifried Neuhaus | 2004-11-16 |
| 6814761 | Direct hair colorants | Frank Naumann, David Rose, Bernd Meinigke | 2004-11-09 |
| 6790239 | Agent for coloring keratin containing fibers | Hinrich Moeller, Doris Oberkobusch | 2004-09-14 |
| 6787128 | Structure-improving hair care agents | Astrid Kleen, Frank Naumann, Oliver Brabaender | 2004-09-07 |
| 6770102 | Agent for dying keratin fibers | Hinrich Moeller, Doris Oberkobusch | 2004-08-03 |
| 6755872 | Dyeing agent for keratinous fibers | Hinrich Moeller, Doris Oberkobusch | 2004-06-29 |
| 6743263 | Method for coloring keratin fibers | Doris Oberkobusch, David Rose, Melanie Hitz | 2004-06-01 |
| 6736862 | Indole/indoline based hybrid dyes and indole/indoline based hybrid dye intermediate products | Frank Naumann, Detlef Hollenberg, David Rose | 2004-05-18 |
| 6688314 | Application device for highlighting hair | Hans Schneider, Detlef Hollenberg, Peter Solich | 2004-02-10 |
| 6660045 | Hair colorant preparation | Bernd Meinigke, Norbert Schettiger, Konstantin Goutsis | 2003-12-09 |
| 6648925 | Coloring agent comprising transition metals | Bernd Mayer, Peter Kuhm, Gertrud Ewald, Hans-Oscar Stephan, Melita Heller | 2003-11-18 |
| 6635241 | Aminophenol derivatives and their use in oxidative hair dyes | David Rose, Bernd Meinigke | 2003-10-21 |
| 6620408 | Bleaching composition | Winifried Neuhaus | 2003-09-16 |
| 6537330 | Colorants | Klaus Schumann, Winifried Neuhaus | 2003-03-25 |