Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12031111 | Xylose carbamates as soil release agents | Christian Kropf, Christa Junkes, Thomas Heinze, Lars Gabriel | 2024-07-09 |
| 11980279 | System and method for establishing a user-specific hair treatment | Georg Knuebel, Thomas Foerster | 2024-05-14 |
| 11767493 | Bleach activator having a cationic group and washing or cleaning agent containing same | Sascha Schaefer, Svenja Neuhaus, Christa Junkes, Arne Jansen | 2023-09-26 |
| 11534106 | Method for determining a user-specific hair treatment | Georg Knuebel, Astrid Kroos | 2022-12-27 |
| 11202742 | Product for lightening hair, containing special oxo-carboxylic acids | Annika Koenen, Astrid Kroos | 2021-12-21 |
| 10955344 | Method and device for determining a degree of damage to hair | Georg Knuebel, Annika Koenen, Astrid Kroos, Melanie Moch, Wilfried Howorka | 2021-03-23 |
| 10821063 | Method for decolorizing dyed keratinic fibers | Helmut Giesa, Astrid Kroos | 2020-11-03 |
| 10617618 | Agent for oxidative dyeing of hair containing anisole derivatives | Ralph Nemitz, Astrid Kroos, Annika Koenen | 2020-04-14 |
| 10561594 | Agent for stabilizing keratin fibers with 5-ring heterocycles | Ralph Nemitz, Astrid Kroos | 2020-02-18 |
| 10413498 | Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic and/or cationic surfactant | Helmut Giesa, Astrid Kroos | 2019-09-17 |
| 10406089 | Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye with special substitution pattern | Helmut Giesa, Astrid Kroos | 2019-09-10 |
| 10307354 | Resorcinol derivatives in compositions for simultaneous reshaping and coloring of keratinous fibers | Annika Koenen | 2019-06-04 |
| 10251826 | Alkaline agent for lightening hair containing oxidants and special carboxylic acid esters | Helmut Giesa, Astrid Kroos | 2019-04-09 |
| 10226648 | Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye and at least one non-ionic surfactant | Melanie Moch | 2019-03-12 |
| 10226647 | Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic surfactant | Helmut Giesa, Annika Koenen | 2019-03-12 |
| 10004674 | Substituted p-phenylenediamines as new oxidation dye precursor products of the developer type | Helmut Giesa, Jan-Michael Schoenebeck | 2018-06-26 |
| 9889321 | Agents for dyeing keratin fibers, containing at least one dimeric, ring-bridged azo dye | Helmut Giesa, Melanie Moch | 2018-02-13 |
| 9827180 | Agents for oxidatively dyeing hair, containing specific combinations of developers and couplers | Astrid Kroos | 2017-11-28 |
| 9707167 | Agent for the oxidative dyeing of hair, containing specific combinations of developers and couplers | Melanie Moch | 2017-07-18 |
| 9707166 | Means for dyeing hair, containing specific combinations of developers and couplers | Melanie Moch | 2017-07-18 |
| 9707168 | Means for the oxidative dyeing of hair containing specific combinations of developers and couplers | Astrid Kroos | 2017-07-18 |
| 9656101 | Agent for oxidatively dyeing hair containing specific combinations of developers and couplers | Annika Koenen | 2017-05-23 |
| 9655827 | Agents for oxidatively dyeing hair containing specific combinations of developers and couplers | Annika Koenen | 2017-05-23 |
| 9649267 | Composition for oxidative colouring of hair comprising specific combinations of developers and couplers | Annika Koenen | 2017-05-16 |
| 9636288 | Means for oxidative dyeing of keratin fibers containing novel tetra-substituted derivatives of pyrimidine | Helmut Giesa, Melanie Moch | 2017-05-02 |