Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886823 | Furazanylurea acaricides | Albrecht Marhold, Ulrike Wachendorff-Neumann | 1989-12-12 |
| 4853397 | Substituted furazans and insecticidal and acaricidal use | Albrecht Marhold, Robert Steffens | 1989-08-01 |
| 4826988 | Substituted furazan pesticides | Erich Klauke, Gerhard Zoebelein, Benedikt Becker, Wilhelm Stendel | 1989-05-02 |