Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10617618 | Agent for oxidative dyeing of hair containing anisole derivatives | Antje Gebert-Schwarzwaelder, Astrid Kroos, Annika Koenen | 2020-04-14 |
| 10561594 | Agent for stabilizing keratin fibers with 5-ring heterocycles | Antje Gebert-Schwarzwaelder, Astrid Kroos | 2020-02-18 |
| 9259380 | Means for dyeing and/or matting keratinic fibres containing novel 1,4 diaminoanthraquinone dyes | Antje Gebert, Astrid Kroos | 2016-02-16 |
| 8864848 | Zwitterionic azo dyestuffs for coloring keratin-including fibres | Wibke Gross, Melanie Moch | 2014-10-21 |
| 8864849 | Anionic azo dyestuffs for coloring keratin-containing fibers | Wibke Gross, Melanie Moch, Astrid Kroos, Antje Gebert | 2014-10-21 |
| 8821592 | Oxidation dye precursors | Wibke Gross, Astrid Kroos | 2014-09-02 |
| 8668745 | Brightening agent comprising acylpyridinium compounds and defined alkalizing agents | Wibke Gross, Astrid Kroos, Frank Janssen, Astrid Kleen, Hartmut Manneck +1 more | 2014-03-11 |
| 8597371 | Lightening agent comprising acyl pyridinium compounds and cationic polysaccharides | Wibke Gross, Astrid Kroos, Frank Janssen, Astrid Kleen, Hartmut Manneck +1 more | 2013-12-03 |
| 8349023 | After treatment for color fixation | Wibke Gross, Georg Knuebel, Astrid Kroos | 2013-01-08 |
| 8328879 | Phthalimides as bleach activators | Wibke Gross, Astrid Kroos | 2012-12-11 |
| 8323356 | Sulfonimines as bleaching activators | Wibke Gross, Astrid Kroos, Katja Guenther | 2012-12-04 |
| 8277517 | Lightening agent having cationic acylpyridinium derivatives and certain amino acids | Wibke Gross, Astrid Kroos, Georg Knuebel | 2012-10-02 |
| 8277516 | Lightening agent having cationic acylpyridinium derivatives and certain ammonium compounds | Wibke Gross, Astrid Kroos, Georg Knuebel | 2012-10-02 |
| 8034122 | Bleaching agent comprising 2-acylpyridinium derivatives | Wibke Gross, Denise Fuhr | 2011-10-11 |
| 8021438 | Cationic acylpyridinium derivatives for use as bleach activators | Wibke Gross, Denise Fuhr, Astrid Kleen | 2011-09-20 |
| 7981166 | Bleaching agent having cationic acyl pyridinium derivatives, co-bleaching activators and hydrogen peroxide | Wibke Gross, Denise Fuhr, Kristin Mielich | 2011-07-19 |
| 7799096 | Agent for dyeing keratin-containing fibers | Wibke Gross, Doris Oberkobusch | 2010-09-21 |
| 7211119 | Coupling components | George Knuebel, Horst Hoeffkes | 2007-05-01 |
| 7135047 | M-phenylenediamine derivatives as coupler components for the coloring of keratinic fibers | Georg Knuebel, Bernd Meinigke, Horst Hoeffkes | 2006-11-14 |
| 6933270 | 3,3-Dimethylcyclohexane derivatives | Thomas Markert, Theo Ten Pierik | 2005-08-23 |
| 6632787 | Carbonyl compounds, methods of making the same, and their use as fragrances and fragrance-enhancing additives | Thomas Markert, Ute Lemke, Elke Veit, Theo Ten Pierik, Volker Porrmann +1 more | 2003-10-14 |
| 6376457 | Phenoketals and the use thereof as odoriferous substances | Thomas Markert | 2002-04-23 |
| 6313354 | Method for producing aromatic aldehydes | Thomas Markert | 2001-11-06 |