Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890977 | Warp-free pigment compositions comprising diaryldiketopyrrolo[3,4-c]pyrroles | Guo-Hua Hu, Philippe Bugnon, Zhimin Hao | 2005-05-10 |
| 6790884 | Warp-free pigment compositions comprising diaryldiketopyrrolo[3,4-c]pyrroles | Guo-Hua Hu, Philippe Bugnon, Zhimin Hao | 2004-09-14 |
| 6409956 | Injection molding process using warp-free pigment compositions comprising diaryldiketopyrrolo-[3,4-c]pyrroles to improve dimensional stability | Guo-Hua Hu, Philippe Bugnon, Zhimin Hao | 2002-06-25 |