Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638998 | Use of surfactants for improving the compatibility of inorganic pigments in aqueous coating compositions | Cheng-Le Zhao | 2003-10-28 |
| 6552116 | Multistage emulsion polymer | Joachim Pakusch, Harald Röckel, Alan E. Smith, Erich Gulbins, Li Zhuo | 2003-04-22 |