Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868308 | Preparation of N-phenyl(pyridyl) sulfonyldiamides | Hans Rupert Merkle, Albrecht Mueller, Gerhard Hamprecht | 1989-09-19 |
| 4820704 | Pyridazinone derivatives and their use as fungicides | Winfried Richarz, Ernst-Heinrich Pommer, Eberhard Ammermann | 1989-04-11 |