Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12076157 | Method and device for determining a degree of damage of hair, and method for determining a user-specific hair treatment agent | Georg Knuebel, Meike Voss-Klimke, Oliver Seiler, Ludger Buetfering, Asrtid Kroos | 2024-09-03 |
| 11857332 | Determination of a degree of elongation of hair using a NIR sensor | Hans Georg Knuebel, Lucile Bonnin, Astrid Kroos, Erik Schulze zur Wiesche | 2024-01-02 |
| 11311093 | Method for determining a cross-manufacturer hair dye recommendation | Hans Georg Knuebel, Lucile Bonnin | 2022-04-26 |
| 11202742 | Product for lightening hair, containing special oxo-carboxylic acids | Antje Gebert-Schwarzwaelder, Astrid Kroos | 2021-12-21 |
| 11140967 | Method and data processing device for ascertaining properties of hair colors in a computer-assisted manner | Georg Knuebel | 2021-10-12 |
| 11035732 | Color chart device with hair clip and method for identifying colors | — | 2021-06-15 |
| 10955344 | Method and device for determining a degree of damage to hair | Georg Knuebel, Antje Gebert-Schwarzwaelder, Astrid Kroos, Melanie Moch, Wilfried Howorka | 2021-03-23 |
| 10617618 | Agent for oxidative dyeing of hair containing anisole derivatives | Antje Gebert-Schwarzwaelder, Ralph Nemitz, Astrid Kroos | 2020-04-14 |
| 10307354 | Resorcinol derivatives in compositions for simultaneous reshaping and coloring of keratinous fibers | Antje Gebert-Schwarzwaelder | 2019-06-04 |
| 10226647 | Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic surfactant | Antje Gebert-Schwarzwaelder, Helmut Giesa | 2019-03-12 |
| 9655827 | Agents for oxidatively dyeing hair containing specific combinations of developers and couplers | Antje Gebert-Schwarzwaelder | 2017-05-23 |
| 9656101 | Agent for oxidatively dyeing hair containing specific combinations of developers and couplers | Antje Gebert-Schwarzwaelder | 2017-05-23 |
| 9649267 | Composition for oxidative colouring of hair comprising specific combinations of developers and couplers | Antje Gebert-Schwarzwaelder | 2017-05-16 |
| 9364407 | Hair dye agent comprising aminopyrimidine derivatives | Antje Gebert, Helmut Giesa | 2016-06-14 |
| 9364408 | Hair dye agent comprising aminopyrimidine derivatives | Antje Gebert-Schwarzwalder, Helmut Giesa | 2016-06-14 |
| 9132073 | Oxidation dye precursors | Antje Gebert | 2015-09-15 |