Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810802 | Process for the preparation of brominated pyrrolo-[3,4-c]-pyrroles and mixtures thereof | Olof Wallquist, Abul Iqbal, Johannes Pfenninger | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810802 | Process for the preparation of brominated pyrrolo-[3,4-c]-pyrroles and mixtures thereof | Olof Wallquist, Abul Iqbal, Johannes Pfenninger | 1989-03-07 |