Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12364657 | Method for coating keratin fibers | Mathias Kurt Herrlein, Graham Neil McKelvey, Matija Crne, Simon Paul Godfrey, Corinne Mohr +7 more | 2025-07-22 |
| 12337053 | Method and composition for coloring a keratinous substrate using solubilized vat dyes | Sonja Telser, Petra Braun, Markus Speckbacher | 2025-06-24 |
| 11904042 | Hair coloring composition and methods for its application and removal | Markus Speckbacher, Petra Braun, Malte Afflerbach, Corinne Mohr, Simon Paul Godfrey +6 more | 2024-02-20 |
| 10973754 | Dual polymer component hair coloring composition | Mathias Kurt Herrlein, Matija Crne, Simon Paul Godfrey, Graham Neil McKelvey, Lars Siegfried Dahne +2 more | 2021-04-13 |
| 10959919 | Hair treatment method and kit thereof | Lars Siegfried Dahne, Mathias Kurt Herrlein, Markus Speckbacher, Mandy Hecht, Simon Paul Godfrey | 2021-03-30 |
| 10688033 | Hair colouration formulation | Lars Siegfried Dahne, Gabriella Egri, Mandy Hecht, Mathias Kurt Herrlein, Moritz Klickermann +5 more | 2020-06-23 |
| 9758469 | Process for the preparation of 2-substituted-1,4-benzenediamines and salts thereof | Garry Steven Garrett, Heike Gertrud Abel, Armin Osan, John Michael Gardlik, Bryan Patrick Murphy +1 more | 2017-09-12 |
| 9695109 | Telescoping synthesis of 2-methoxymethyl-p-phenylenediamine | Heike Gertrud Abel, Armin Osan, Markus Speckbacher, Garry Steven Garrett | 2017-07-04 |
| 9688609 | Telescoping synthesis of 2-methoxymethyl-P-phenylenediamine | Heike Gertrud Abel, Armin Osan, Garry Steven Garrett, John Michael Gardlik, Bryan Patrick Murphy +1 more | 2017-06-27 |
| 9587116 | Azo direct dyes and method for dyeing hair using these dyes | Heike Gertrud Abel, Armin Osan, Markus Speckbacher | 2017-03-07 |
| 9060953 | 1-hexyl-1H-pyrazole-4,5-diamine hemisulfate, and its use in dyeing compositions | Wolfram Geibel, Armin Osan, Markus Speckbacher | 2015-06-23 |
| 8784505 | 1-hexzl-1H-pyrazole-4,5-diamine hemisulfate, and its use in dyeing compositions | Wolfram Geibel, Armin Osan, Markus Speckbacher | 2014-07-22 |
| 8785656 | Telescoping synthesis of 5-amino-4-nitroso-1-alkyl-1H-pyrazole salt | Wolfram Geibel, Armin Osan, Markus Speckbacher | 2014-07-22 |
| 6683220 | Process for the preparation of optically pure or enriched racemic tetralone | Laurent Berger, Raphael Duval, Philippe Taillasson, Alexander Wick | 2004-01-27 |