Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851578 | Preparation of trialkylamines | Herbert Mueller | 1989-07-25 |
| 4851580 | Preparation of trialkylamines | Herbert Mueller, Gerhard Jeschek, Willibald Schoenleben | 1989-07-25 |
| 4824864 | Stabilization of zineb | Knut Koob, Friedrich Loecher | 1989-04-25 |