Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6858073 | Pigmented vitreous material | Patrice Bujard, Veronique Hall-Goulle, Zhimin Hao, Gerardus De Keyzer | 2005-02-22 |
| 6524382 | Pigmented vitreous material | Patrice Bujard, Veronique Hall-Goulle, Zhimin Hao, Gerardus De Keyzer | 2003-02-25 |
| 6506244 | Stable polymorphic copper-free phthalocyanine pigment | Yves Grandidier, Keisuke Hirano | 2003-01-14 |