Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11324676 | Hydrogen peroxide formulations in barrier layer films with a metalized layer | Torsten Lechner, Wolfgang Barthel | 2022-05-10 |
| 11291622 | Method for dyeing keratinous material, comprising the use of an organosilicon compound, a dyeing compound and a silicon oil | Torsten Lechner, Juergen Schoepgens, Gabriele Weser, Ulrike Schumacher, Claudia Kolonko +2 more | 2022-04-05 |
| 11229587 | Hydrogen peroxide formulations in barrier layer films with a metallized layer | Torsten Lechner, Wolfgang Barthel | 2022-01-25 |
| 11083673 | Hydrogen peroxide formulations in barrier layer films with a SIOx layer | Torsten Lechner, Wolfgang Barthel | 2021-08-10 |
| 11058611 | Hydrogen peroxide formulations in barrier layer films with a metallized layer | Torsten Lechner, Wolfgang Barthel | 2021-07-13 |
| 11033470 | Hydrogen peroxide formulations in barrier layer films with a metallized layer | Torsten Lechner, Wolfgang Barthel | 2021-06-15 |