Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482917 | Method for producing powder-shaped cross-linked polymerizates | Volker Hildebrandt, Katrin Zeitz | 2002-11-19 |
| 6403074 | Use of polymers containing polysiloxane for cosmetic formulations | Rainer Blankenburg, Wolfgang Muller, Axel Sanner, Volker Schehlmann, Katrin Zeitz | 2002-06-11 |
| 6380338 | Polymers for cosmetic formulations | Helmut Witteler, Axel Sanner, Jacqueline Engesser, Wilma M. Dausch | 2002-04-30 |
| 6355231 | Use of cationic copolymers of unsaturated acids and N-vinylimidazolium salts in cosmetic hair formulations | Peter Hossel, Axel Sanner | 2002-03-12 |