Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8152861 | Dark coloured azo dyes | Markus Speckbacher, Jessica Chassot | 2012-04-10 |
| 7977482 | Dark coloured azo dyes | Markus Speckbacher, Jessica Chassot | 2011-07-12 |
| 7658770 | Agents for coloring keratin fibers | Cecile Pasquier, Eric Tinguely, Markus Speckbacher, Annik Marguet | 2010-02-09 |
| 7658771 | Coloring agents for keratin fibers | Cecile Pasquier, Eric Tinguely, Markus Speckbacher, Annik Marguet | 2010-02-09 |
| 7513918 | Agents for coloring keratin fibers comprising zwitterionic azomethine dyes | Cecile Pasquier, Veronique Buclin, Anita Roulin | 2009-04-07 |
| 7513916 | Agents for coloring keratin fibers | Cecile Pasquier, Eric Tinguely, Markus Speckbacher, Annik Marguet | 2009-04-07 |
| 7513917 | Coloring agents for keratin fibers | Cecile Pasquier, Eric Tinguely, Markus Speckbacher, Annik Marguet | 2009-04-07 |
| 7491244 | Oxidizing hair coloring agents containing m-aminophenol derivatives | Laurent Chassot | 2009-02-17 |
| 7473281 | Colorants containing cationic indazoline thiazolazo dye | Markus Speckbacher | 2009-01-06 |
| 7405325 | Process for the preparation of 4-hydroxalkylamino-2-nitro-anisoles | Otto Gottel, Emmanuel Morand | 2008-07-29 |
| 7393366 | Agents for coloring keratin fibers | Cecile Pasquier, Eric Tinguely, Otto Gottel | 2008-07-01 |
| 7381806 | Cationic azo azine dyes and colorants that contain these compounds | Markus Speckbacher | 2008-06-03 |
| 6773463 | Agent and method for dyeing keratin fibers | Cecile Pasquier, Véronique Charrière | 2004-08-10 |
| 5965114 | Dye-containing mass, composition containing it and method for dyeing keratin fibers, especially human hair | Pascal Andre Semadeni | 1999-10-12 |
| 5468256 | Substitute 4-{4'-{bis-(B-hydroxyethyl)amino{phenylazo{-benzenesulfonic acid amides and hair dye compositions containing same | — | 1995-11-21 |
| 5409502 | Hair dye composition containing a 4'-amino-2-halogen-4-{bis-(-hydroxyethyl)amino} azobenzene compound | — | 1995-04-25 |
| 5037446 | 2-nitroaniline derivatives and hair dyeing compositions containing same | Eugen Konrad, Thomas Clausen, Herbert Mager | 1991-08-06 |
| 4923479 | Composition and process for the oxidative dyeing of hair with 3-(2',2', 2'- t | — | 1990-05-08 |
| 4835314 | 2-nitroaniline derivatives | Eugen Konrad, Thomas Clausen, Herbert Mager | 1989-05-30 |
| 4755188 | Agent and process for the coloring of hair | Eugen Konrad, Herbert Mager | 1988-07-05 |
| 4754069 | 2-alkyl sulfonyl-1,4-diaminobenzenes, processes for their production and oxidation hair dyeing compositions containing the same | Eugen Konrad, Herbert Mager | 1988-06-28 |
| 4588410 | Novel 2-hydroxy-4-aminobenzenes, method for their manufacturing and hair coloring agents containing these compounds | Eugen Konrad, Herbert Mager | 1986-05-13 |
| 4543425 | 1,3-Diamino-4-(2',2',2',-trifluoroethoxy)-benzene, method of producing the same, and hair coloring composition containing the same | Eugen Konrad, Herbert Mager, Friedrich Noser, Max Bracher | 1985-09-24 |