Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868202 | Pesticidal compositions containing 3-phenylpyrrole derivatives | Robert W. Lang | 1989-09-19 |
| 4822919 | Novel production processes | Robert W. Lang | 1989-04-18 |
| 4812580 | Process for the preparation of 4-phenylpyrrole derivatives | — | 1989-03-14 |