Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196188 | Terpolymers, use thereof in hair setting compositions for increased stiffness, and hair setting compositions containing same | Karin Sperling-Vietmeier, Franz Frosch, Axel Sanner | 1993-03-23 |
| 5132417 | Copolymer based on tert-butyl acrylate or methacrylate | Karin Sperling-Vietmeier, Axel Sanner | 1992-07-21 |
| 5122582 | Preparation of copolymers which form clear aqueous solutions | Adolf Nuber, Willy Hinz, Axel Sanner | 1992-06-16 |