Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10780035 | Oxidative hair dyeing agent having reduced hair damage and improved dyeing properties | Gabriele Weser, Ulrike Schumacher, Claudia Kolonko, Irmgard Bender | 2020-09-22 |
| 10646418 | Aftertreatment agent for the reductive decolorization of dyed keratinic fibers | Juergen Schoepgens, Burkhard Mueller | 2020-05-12 |
| 10376454 | Products for the oxidative dyeing of hair in copper shades with improved gray coverage | Burkhard Mueller | 2019-08-13 |
| 10080710 | Multi-tonal one step dyeing with thickened pre-treatment solution | Burkhard Mueller | 2018-09-25 |
| 10045924 | Multi-component packaging unit for oxidatively dyeing keratin fibers, having reduced ammonia odor | Burkhard Mueller | 2018-08-14 |
| 10034822 | Fashionable copper shades in a nonionic base | Burkhard Mueller | 2018-07-31 |
| 9925133 | Multi-tonal one step dyeing with thickened pre-treatment solution | Burkhard Mueller | 2018-03-27 |
| 9918928 | Multi-tonal one step dyeing with thickening pre-treatment solution | Burkhard Mueller | 2018-03-20 |
| 9918910 | Multi-tonal one step dyeing with foam-type pre-treatment solution | Norbert Schettiger, Burkhard Mueller | 2018-03-20 |
| 9707163 | Reduction of ammonia odor in agents for dyeing and/or bleaching keratin fibers | Frank Janssen | 2017-07-18 |
| 9511009 | Reduction of the autoxidation of agents for the oxidative dyeing and/or bleaching of keratin fibers | Frank Janssen | 2016-12-06 |
| 9463150 | Agent for coloring and/or lightening keratinic fibers without ammonia odor | Manuela Ehlert, Irmgard Bender, Mechtild Grunwald, Norbert Schettiger, Sabine Babiel +3 more | 2016-10-11 |
| 9445977 | Multi-tonal one step dyeing | Frank Janssen | 2016-09-20 |
| 9402797 | Multi-tonal one step dyes III | Frank Janssen | 2016-08-02 |
| 9402795 | Multi-tonal one-step dyes | Frank Janssen | 2016-08-02 |
| 8882854 | Reduction of ammonia odor when coloring and/or lightening hair | Frank Janssen, Kota Uchida, Shoji Machida | 2014-11-11 |
| 8845758 | Means to color and/or lighten keratin fibers without ammonia odor | Frank Jannsen | 2014-09-30 |
| 8845759 | Reduction of ammonia smell in substances for oxidative dyeing and/or lightening keratin fibres | Frank Janssen | 2014-09-30 |