Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11564618 | Method and device for determining a degree of thermal damage to hair | Torsten Lechner | 2023-01-31 |
| 11231366 | Method and device for determining a gloss value of hair | Torsten Lechner | 2022-01-25 |
| 11147991 | Two-component products in bags for the oxidative dyeing of keratin fibres | — | 2021-10-19 |
| 11077040 | Emulsions for enhanced reductive decoloration of keratin fibers | Juergen Schoepgens | 2021-08-03 |
| 11033477 | Blonding agent and method for gentle oxidative hair lightening | Bernd Anderheggen | 2021-06-15 |
| 11033483 | Paste-like bleaching agent and method for gentle oxidative hair lightening | Bernd Anderheggen | 2021-06-15 |
| 10918890 | Bleaching agents having reduced oil-separation tendency | Udo Erkens | 2021-02-16 |
| 10918328 | Method for determining a degree of damage to hair | Torsten Lechner | 2021-02-16 |
| 10885645 | Determination of a waviness index of hair | Torsten Lechner | 2021-01-05 |
| 10842723 | Bleaching agent containing fatty alcohols | Udo Erkens | 2020-11-24 |
| 10736827 | Hair dye agent having unilamellar and multilamellar vesicles | Lucile Bonnin | 2020-08-11 |
| 10653598 | Decoloring of dyed keratin fibers | Juergen Schoepgens | 2020-05-19 |
| 10646418 | Aftertreatment agent for the reductive decolorization of dyed keratinic fibers | Juergen Schoepgens, Constanze Neuba | 2020-05-12 |
| 10603260 | Storage-stable developer for oxidative dye | Carsten Brake, Torsten Lechner, Lucile Bonnin, Laura Knechtel | 2020-03-31 |
| 10500141 | Cream-type hair coloring agent II | Juergen Schoepgens | 2019-12-10 |
| 10493010 | Reductive color removal using sulfinic acid derivatives in paste | Juergen Schoepgens | 2019-12-03 |
| 10456334 | Cream-type hair coloring agent | Juergen Schoepgens, Veronique Munier | 2019-10-29 |
| 10456606 | Decolorization of colored keratinic fibers | Juergen Schoepgens | 2019-10-29 |
| 10413486 | Hair dye | Juergen Schoepgens, Veronique Munier | 2019-09-17 |
| 10413499 | Oxidative hair treatment with post-treatment for improving fastness to washing | Juergen Schoepgens, Anja Reichert, Daniela Kessler-Becker | 2019-09-17 |
| 10406080 | Double chamber pouch for the bleaching of human hair | Udo Erkens | 2019-09-10 |
| 10376454 | Products for the oxidative dyeing of hair in copper shades with improved gray coverage | Constanze Neuba | 2019-08-13 |
| 10342751 | Double-chamber pouch for dyeing human hair | Udo Erkens | 2019-07-09 |
| 10335353 | Cream-type hair coloring agent III | Juergen Schoepgens | 2019-07-02 |
| 10335352 | Cream-type hair coloring agent | Juergen Schoepgens | 2019-07-02 |