Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609167 | Acidic hair care preparations | Hermann Hensen, Oriol Ponsati Obiols, Esther Prat Queralt | 1997-03-11 |
| 4744924 | Cosmetic detergent base | Hermann Hensen, Renate Lindner, Renate Kruse | 1988-05-17 |
| 4744977 | Quaternary ammonium compound hair conditioners | Hermann Hensen, Horst Rutzen, Peter Busch, Klaus Thiele | 1988-05-17 |