Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492451 | Pigmented formulations based on aqueous polymer dispersions | Rolf Dersch, Joachim Roser, Cheng-Le Zhao | 2002-12-10 |
| 6348528 | Aqueous polymer dispersion containing an emulsifier with phosphate groups | Gregor Ley, Cheng-Le Zhao, Alexander Haunschild, Maria Gyopar Rau, Rolf Dersch | 2002-02-19 |
| 6335005 | Aqueous cosmetic compounds | Wolfgang Muller, Harm Wiese, Ellen Pfrommer | 2002-01-01 |