Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882320 | Pesticidal pyrimidinyl (thiono)(thio)-phosphates | Benedikt Becker, Bernhard Homeyer | 1989-11-21 |
| 4882321 | Thionophosphonic acid ester arthropodicides | Herbert Sommer, Wolfgang Behrenz, Bernhard Homeyer, Wilhelm Stendel | 1989-11-21 |
| 4849519 | Preparation of 6-hydroxy-3-pyridinecarboxylic acid esters | — | 1989-07-18 |
| 4845249 | 4-fluoro-3-bromo benzaldehyde acetals | Rainer Fuchs, Uwe Priesnitz, Hans-Jochem Riebel, Erich Klauke | 1989-07-04 |