Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10925369 | Permanent waving method with improved nourishing and wave effect | Matthias Schweinsberg | 2021-02-23 |
| 10328007 | Hair straightening with carbocisteine | Stephan Schwartz, Katharina Krause | 2019-06-25 |
| 10219994 | Method for the simultaneous permanent shaping and dyeing of keratinic fibers | Torsten Lechner, Yvonne Lissner | 2019-03-05 |
| 9421160 | Method for chemical smoothing of human hairs | Erik Schulze zur Wiesche, Stephan Schwartz | 2016-08-23 |