Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10821063 | Method for decolorizing dyed keratinic fibers | Antje Gebert-Schwarzwaelder, Astrid Kroos | 2020-11-03 |
| 10413498 | Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic and/or cationic surfactant | Antje Gebert-Schwarzwaelder, Astrid Kroos | 2019-09-17 |
| 10406089 | Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye with special substitution pattern | Antje Gebert-Schwarzwaelder, Astrid Kroos | 2019-09-10 |
| 10251826 | Alkaline agent for lightening hair containing oxidants and special carboxylic acid esters | Antje Gebert-Schwarzwaelder, Astrid Kroos | 2019-04-09 |
| 10226647 | Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic surfactant | Antje Gebert-Schwarzwaelder, Annika Koenen | 2019-03-12 |
| 10004674 | Substituted p-phenylenediamines as new oxidation dye precursor products of the developer type | Antje Gebert-Schwarzwaelder, Jan-Michael Schoenebeck | 2018-06-26 |
| 9889321 | Agents for dyeing keratin fibers, containing at least one dimeric, ring-bridged azo dye | Antje Gebert-Schwarzwaelder, Melanie Moch | 2018-02-13 |
| 9636288 | Means for oxidative dyeing of keratin fibers containing novel tetra-substituted derivatives of pyrimidine | Antje Gebert-Schwarzwaelder, Melanie Moch | 2017-05-02 |
| 9364407 | Hair dye agent comprising aminopyrimidine derivatives | Antje Gebert, Annika Koenen | 2016-06-14 |
| 9364408 | Hair dye agent comprising aminopyrimidine derivatives | Antje Gebert-Schwarzwalder, Annika Koenen | 2016-06-14 |
| 8551191 | Dicationic 4-aza-1-azoniabicyclo[2.2.2]octanes and agents for colouring keratin-containing fibers | Wibke Gross, Astrid Kroos | 2013-10-08 |
| 7081140 | Developer components and their use for dyeing keratinic fibers | Georg Knuebel, Horst Hoeffkes, Bernd Meinigke | 2006-07-25 |