Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693824 | Preparation of mixed crystals and solid solutions of 1, 4-diketo-pyrrolpyrroles | Zhimin Hao, Olof Wallquist, Abul Iqbal | 1997-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693824 | Preparation of mixed crystals and solid solutions of 1, 4-diketo-pyrrolpyrroles | Zhimin Hao, Olof Wallquist, Abul Iqbal | 1997-12-02 |