Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827774 | Rheology improvers and pigment compositions having improved rheology | — | 2004-12-07 |
| 6827775 | Rheology improvers and pigment compositions having improved rheology | — | 2004-12-07 |
| 6790884 | Warp-free pigment compositions comprising diaryldiketopyrrolo[3,4-c]pyrroles | Franck Rey Flandrin, Guo-Hua Hu, Zhimin Hao | 2004-09-14 |