Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845288 | Process for the preparation of hydroxybenzaldoxime O-ethers | Reinhard Lantzsch, Hans-Ludwig Elbe | 1989-07-04 |
| 4822912 | Process for the preparation of 2,3,5,6-tetrafluorobenzoic acid | Klaus Naumann, Rudolf Braden | 1989-04-18 |