Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476097 | Aqueous polymer preparations containing pigments | Cheng-Le Zhao, Manfred Schwartz, Wolfgang Hümmer | 2002-11-05 |
| 6451899 | Aqueous formulations comprising at least two different polymers as aqueous dispersions | Cheng-Le Zhao, Joachim Roser, Joachim Pakusch, Harald Röckel | 2002-09-17 |
| 6376570 | Aqueous pigmented coating compositions | Cheng-Le Zhao, Manfred Schwartz, Gernot Franzmann | 2002-04-23 |