Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6544325 | Pigmentary copper phthalocyanine solid solution and transparent dispersion comprising it | Veronique Hall-Goulle, Gerardus De Keyzer | 2003-04-08 |
| 6517630 | Pigments having improved colouristic properties and process for their preparation | Urs Schlatter | 2003-02-11 |
| 6506244 | Stable polymorphic copper-free phthalocyanine pigment | Hitoshi Nagasue, Keisuke Hirano | 2003-01-14 |