Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11382851 | Hair dye composition containing at least one organic silicon compound, a direct dye and a film forming hydrophobic polymer | Torsten Lechner, Marc Nowottny | 2022-07-12 |
| 11331258 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, an oligoalkylsiloxane and a dyeing compound | Torsten Lechner, Marc Nowottny, Gabriele Weser, Ulrike Schumacher, Claudia Kolonko +2 more | 2022-05-17 |
| 11291622 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, a dyeing compound and a silicon oil | Torsten Lechner, Marc Nowottny, Gabriele Weser, Ulrike Schumacher, Claudia Kolonko +2 more | 2022-04-05 |
| 11154478 | Self-heating agents for reductive decolorization of dyed keratinous fibers | Torsten Lechner | 2021-10-26 |
| 11077041 | Agents for reductive decolourisation of dyed keratinous fibres | Torsten Lechner | 2021-08-03 |
| 11077040 | Emulsions for enhanced reductive decoloration of keratin fibers | Burkhard Mueller | 2021-08-03 |
| 10667997 | Thickened oxidation composition | Torsten Lechner | 2020-06-02 |
| 10653598 | Decoloring of dyed keratin fibers | Burkhard Mueller | 2020-05-19 |
| 10646418 | Aftertreatment agent for the reductive decolorization of dyed keratinic fibers | Burkhard Mueller, Constanze Neuba | 2020-05-12 |
| 10500141 | Cream-type hair coloring agent II | Burkhard Mueller | 2019-12-10 |
| 10493010 | Reductive color removal using sulfinic acid derivatives in paste | Burkhard Mueller | 2019-12-03 |
| 10456334 | Cream-type hair coloring agent | Burkhard Mueller, Veronique Munier | 2019-10-29 |
| 10456606 | Decolorization of colored keratinic fibers | Burkhard Mueller | 2019-10-29 |
| 10413486 | Hair dye | Burkhard Mueller, Veronique Munier | 2019-09-17 |
| 10413499 | Oxidative hair treatment with post-treatment for improving fastness to washing | Burkhard Mueller, Anja Reichert, Daniela Kessler-Becker | 2019-09-17 |
| 10335353 | Cream-type hair coloring agent III | Burkhard Mueller | 2019-07-02 |
| 10335352 | Cream-type hair coloring agent | Burkhard Mueller | 2019-07-02 |
| 10322071 | Hair dye | Burkhard Mueller | 2019-06-18 |
| 10322079 | Hair dye | Gabriele Weser, Ulrike Schumacher, Burkhard Mueller | 2019-06-18 |
| 10179099 | Decolorization of dyed keratin fibers | Burkhard Mueller | 2019-01-15 |
| 9283158 | Oxidant preparation having optimized viscosity for treating keratin fibers | Konstantin Goutsis, Marc Krippahl | 2016-03-15 |
| 8801805 | Agent comprising hydrogen peroxide having improved viscosity adjustment | Frank Janssen, Armin Wadle | 2014-08-12 |
| 8673023 | Method for preparing a coloring composition | Frank Janssen, Armin Wadle, Thomas Foerster, Lisa P. Chen | 2014-03-18 |
| 8551190 | Process for producing a colorant for keratin fibers | Frank Janssen | 2013-10-08 |
| 8545576 | Process for producing a colorant for keratin fibers | Frank Janssen | 2013-10-01 |