Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512006 | Method for simultaneously preparing iron oxide red pigment and aromatic amine | Weidong Duan, Guofu Zhang | 2022-11-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512006 | Method for simultaneously preparing iron oxide red pigment and aromatic amine | Weidong Duan, Guofu Zhang | 2022-11-29 |