Issued Patents All Time
Showing 1–25 of 30 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 | Meike Voss-Klimke, Oliver Seiler, Ludger Buetfering, Asrtid Kroos, Annika Koenen | 2024-09-03 |
| 11980279 | System and method for establishing a user-specific hair treatment | Antje Gebert-Schwarzwaelder, Thomas Foerster | 2024-05-14 |
| 11950682 | Method and device for providing a hair treatment agent | Esther Kumpan-Bahrami, Jordan Katzarov | 2024-04-09 |
| 11568569 | Method and device for determining the homogeneity of skin color | Andreas Bock | 2023-01-31 |
| 11534106 | Method for determining a user-specific hair treatment | Antje Gebert-Schwarzwaelder, Astrid Kroos | 2022-12-27 |
| 11457859 | Method for determining a user-specific hair treatment | — | 2022-10-04 |
| 11367510 | Method and data processing device for the computer-assisted determination of a hair dyeing agent for dyeing hair in a desired hair color and device for producing an individually determined hair dyeing agent | — | 2022-06-21 |
| 11140967 | Method and data processing device for ascertaining properties of hair colors in a computer-assisted manner | Annika Koenen | 2021-10-12 |
| 10959665 | Determining the thickness of hair on the head in a damage-free way | Lucile Bonnin, Andreas Kirch | 2021-03-30 |
| 10955344 | Method and device for determining a degree of damage to hair | Antje Gebert-Schwarzwaelder, Annika Koenen, Astrid Kroos, Melanie Moch, Wilfried Howorka | 2021-03-23 |
| 10948351 | Method and device for determining the color homogeneity of hair | — | 2021-03-16 |
| 10885654 | Method and device for determining a straightness value of a hairstyle | — | 2021-01-05 |
| 10420717 | Bunte salts from amino acids and oligopeptides as protective ingredients in hair treatment means | Thomas Foerster, Erik Schulze zur Wiesche | 2019-09-24 |
| 8349023 | After treatment for color fixation | Wibke Gross, Astrid Kroos, Ralph Nemitz | 2013-01-08 |
| 8277516 | Lightening agent having cationic acylpyridinium derivatives and certain ammonium compounds | Wibke Gross, Ralph Nemitz, Astrid Kroos | 2012-10-02 |
| 8277517 | Lightening agent having cationic acylpyridinium derivatives and certain amino acids | Wibke Gross, Ralph Nemitz, Astrid Kroos | 2012-10-02 |
| 8273332 | Hair care product containing acetylpyridinium salts | Wibke Gross, Thomas Mucha, Erik Schulze zur Wiesche | 2012-09-25 |
| 8246938 | Hair care agent containing acetylpyridinium salts | Wibke Gross, Thomas Mucha, Erik Schulze zur Wiesche | 2012-08-21 |
| 7135047 | M-phenylenediamine derivatives as coupler components for the coloring of keratinic fibers | Bernd Meinigke, Horst Hoeffkes, Ralph Nemitz | 2006-11-14 |
| 7081140 | Developer components and their use for dyeing keratinic fibers | Horst Hoeffkes, Bernd Meinigke, Helmut Giesa | 2006-07-25 |
| 6518356 | Functional dyes used as an indicator in aerobically hardening compositions | Carsten Friese | 2003-02-11 |
| 6379681 | Oil-in-water emulsions for reconstituting lamellarity of the lipid structure of damaged skin | Pascal Bordat, Stephanie Ortanderl, Martina Kampmann, Marianne Waldmann-Laue, Marcus Mausberg | 2002-04-30 |
| 5922670 | Dimeric alcohol-bis and trimeric alcohol-tris-sulphates and ether sulphates thereof | Alfred Westfechtel, Gerhard Hermanns, Rainer Hoffmann, Hans-Christian Raths | 1999-07-13 |
| 5811560 | Process for the production of 8.alpha., 12-oxido-13, 14,15,16-tetranorlabdane | Andreas Bomhard, Thomas Markert | 1998-09-22 |
| 5752984 | Use of 1,2,3,4-tetrahydroquinoxalines as oxidation dye precursors in oxidative coloring formulations | David Rose, Horst Hoeffkes, Bernd Meinigke | 1998-05-19 |