Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12318470 | Agent for dyeing keratinuos material, comprising aminosilicone, a chromophoric compound and an addition product of C1-C6 alkylene oxide(s) to the esters of fatty acids and aromatic alcohols | Constanze Kruck, Sandra HILBIG, Daniela Kessler-Becker | 2025-06-03 |
| 12246197 | Agent for dyeing keratinous material, in particular human hair, comprising aminosilicones, pigments and alkylpolyglycosides | Constanze Kruck, Sandra HILBIG, Daniela Kessler-Becker | 2025-03-11 |
| 12186421 | Agent for dyeing keratinuos fibres, containing pigments and C2-C30 alkyl methicones | Constanze Kruck, Sandra HILBIG, Daniela Kessler-Becker | 2025-01-07 |
| 12156933 | Substance for dyeing keratin fibers, containing specific nonionic emulsifiers, pigments and aminosilicones | Constanze Kruck, Sandra HILBIG, Daniela Kessler-Becker | 2024-12-03 |
| 12109298 | Improving the fastness to washing of pigment-containing dyes by using an oxidative pretreatment agent | Constanze Kruck, Sandra HILBIG, Daniela Kessler-Becker | 2024-10-08 |
| 12029808 | Kit and method for dyeing keratinous material by means of aminosilicone and a chromophoric compound | Constanze Kruck, Sandra HILBIG, Daniela Kessler-Becker | 2024-07-09 |
| 11957779 | Agent for dyeing keratinous material, containing aminosilicone, pigment and polysaccharide | Constanze Kruck, Sandra HILBIG, Susanne Dickhof, Daniela Kessler-Becker | 2024-04-16 |
| 11918671 | Multi-tone hair dyeing method in three steps | Constanze Kruck, Daniela Kessler-Becker, Sandra HILBIG | 2024-03-05 |
| 11883522 | Agent for dyeing keratinous material, containing aminosilicone, a chromophoric compound and phosphorous-containing surfactant | Constanze Kruck, Sandra HILBIG, Susanne Dickhof, Daniela Kessler-Becker | 2024-01-30 |
| 11872302 | Product for dyeing keratinous material, containing aminosilicone, a chromophoric compound and ester oil | Constanze Kruck, Sandra HILBIG, Daniela Kessler-Becker | 2024-01-16 |
| 11865201 | Product for dyeing keratinous material, containing aminosilicone, a chromophoric compound and ethoxylated fatty acid ester | Constanze Kruck, Sandra HILBIG, Daniela Kessler-Becker | 2024-01-09 |
| 11766396 | Kit and method for dyeing keratinous material by means of aminosilicone and a chromophoric compound | Constanze Kruck, Sandra HILBIG, Daniela Kessler-Becker, Susanne Dickhof | 2023-09-26 |
| 11497699 | Oxidative dye in red shades with improved fastness and improved homogeneity | Jing Hodes, Sandra HILBIG, Daniela Kessler-Becker | 2022-11-15 |
| 10955344 | Method and device for determining a degree of damage to hair | Georg Knuebel, Antje Gebert-Schwarzwaelder, Annika Koenen, Astrid Kroos, Wilfried Howorka | 2021-03-23 |
| 10226648 | Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye and at least one non-ionic surfactant | Antje Gebert-Schwarzwaelder | 2019-03-12 |
| 9889321 | Agents for dyeing keratin fibers, containing at least one dimeric, ring-bridged azo dye | Antje Gebert-Schwarzwaelder, Helmut Giesa | 2018-02-13 |
| 9707167 | Agent for the oxidative dyeing of hair, containing specific combinations of developers and couplers | Antje Gebert-Schwarzwaelder | 2017-07-18 |
| 9707166 | Means for dyeing hair, containing specific combinations of developers and couplers | Antje Gebert-Schwarzwaelder | 2017-07-18 |
| 9636288 | Means for oxidative dyeing of keratin fibers containing novel tetra-substituted derivatives of pyrimidine | Antje Gebert-Schwarzwaelder, Helmut Giesa | 2017-05-02 |
| 8864848 | Zwitterionic azo dyestuffs for coloring keratin-including fibres | Wibke Gross, Ralph Nemitz | 2014-10-21 |
| 8864849 | Anionic azo dyestuffs for coloring keratin-containing fibers | Wibke Gross, Ralph Nemitz, Astrid Kroos, Antje Gebert | 2014-10-21 |