Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482393 | Hairsetting compositions | Volker Schehlmann, Karin Sperling-Vietmeier, Axel Sanner | 2002-11-19 |
| 6403074 | Use of polymers containing polysiloxane for cosmetic formulations | Reinhold Dieing, Wolfgang Muller, Axel Sanner, Volker Schehlmann, Katrin Zeitz | 2002-06-11 |
| 6187884 | Preparation of low molecular mass homopolymers of N-vinylpyrrolidone | Stephan Kothrade, Iris Peters, Axel Sanner | 2001-02-13 |
| 6153179 | Hair setting lotions | Karin Sperling, Axel Sanner | 2000-11-28 |
| 6107397 | Aqueous copolymer dispersions of water-soluble monomers with N-vinyl groups and hydrophobic monomers | Volker Schehlmann, Karl Kolter | 2000-08-22 |
| 6103820 | Preparation of water-soluble copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer | Stephan Kothrade, Axel Sanner | 2000-08-15 |
| 5698647 | Preparation of polymers based on basic vinyl monomers | Brigitta Huckestein, Volker Schehlmann, Axel Sanner | 1997-12-16 |
| 5635169 | Soluble copolymers for hair cosmetics | Axel Sanner | 1997-06-03 |
| 5461159 | Binding chemical impurities contained in crude N-vinylpyrrolid-2-one | Brigitta Huckestein, Herbert Helfert | 1995-10-24 |