Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10047225 | Styryl sulfide dyes | Frank Bachmann, Christian Cremer, Markus Knobloch, Werner Specker | 2018-08-14 |
| 8992633 | Disulfide dyes | Sophie Marquais-Bienewald, Christian Cremer | 2015-03-31 |
| 8641783 | Disulfide or thiol polymeric hair dyes | Sophie Marquais-Bienewald, Christian Cremer | 2014-02-04 |
| 8337569 | Polymeric hair dyes | Christian Cremer, Oliver Becherer | 2012-12-25 |
| 8268014 | Hair dyeing composition | — | 2012-09-18 |
| 8257448 | Hair dyeing composition | — | 2012-09-04 |
| 8206464 | Blue polymeric hair dyes | Christian Cremer, Sophie Marquais-Bienewald, Olof Wallquist | 2012-06-26 |
| 8097045 | Polymeric hair dyes | Sophie Marquais-Bienewald, Christian Cremer, Olof Wallquist | 2012-01-17 |
| 7976585 | Polymeric dyes | Christian Cremer, Richard Riggs, Martin Muller | 2011-07-12 |
| 7931696 | Cationic dyes | Victor Paul Eliu, Dominique Kauffmann | 2011-04-26 |
| 7828858 | Mixture of sulfide dyes | Christian Cremer, Victor Paul Eliu, Olof Wallquist | 2010-11-09 |
| 7811335 | Styryl sulfide dyes | Victor Paul Eliu, Dominique Kauffmann | 2010-10-12 |
| 7806940 | Cationic oligomeric azo dyes | Victor Paul Eliu, Dominique Kauffmann | 2010-10-05 |
| 7803197 | Thiol derivative dyes | Victor Paul Eliu, Dominique Kauffmann | 2010-09-28 |
| 7785375 | Pyrido thiazinium dyes | Victor Paul Eliu, Dominique Kauffmann | 2010-08-31 |
| 7771490 | Dyes containing a thiol group | Victor Paul Eliu, Dominique Kauffmann | 2010-08-10 |
| 7731761 | Polymeric hair dyes | Sophie Marquais-Bienewald, Olof Wallquist, Christian Cremer, Andreas Möck | 2010-06-08 |
| 7704284 | Xanthene dyes | Victor Paul Eliu, Dominique Kauffmann | 2010-04-27 |
| 7682404 | Coloring keratin fibers with metal complexes | Nicole End, Kai-Uwe Schoning | 2010-03-23 |
| 7563289 | Thiol dyes | Victor Paul Eliu, Achim Bührer | 2009-07-21 |
| 7482438 | Cationic imidazolazo dyes containing a 2,5-diaminophenyl moiety | Victor Paul Eliu, Thomas Sauder, Dominique Kauffmann | 2009-01-27 |
| 7476260 | Disulfide dyes, composition comprising them and method of dyeing hair | Victor Paul Eliu, Dominique Kauffmann | 2009-01-13 |
| 7307155 | Cationic direct dyes | Victor Paul Eliu | 2007-12-11 |
| 7258702 | Yellow cationic dyes for dyeing of organic material | Victor Paul Eliu, Julia Hauser | 2007-08-21 |
| 7232467 | Method of coloring porous material | Jean-Marie Adam, Taher Yousaf, Victor Paul Eliu | 2007-06-19 |