Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7455832 | Cosmetic preparation in gel form | Susanne Birkel, Juergen Allwohn, Harald Wendel, Michael Franzke, Axel Kalbfleisch | 2008-11-25 |
| 7083810 | Cosmetic agent in the form of a gel | Susanne Birkel, Juergen Allwohn, Harald Wendel, Michael Franzke, Axel Kalbfleisch | 2006-08-01 |
| 6506373 | Agent and method for permanent waving | Beate Dannecker, Dirk Lauscher | 2003-01-14 |