Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838931 | 1,2-disubstituted piperidines, processes for their preparation and their use in plant protection | Michael Frey, Hilmar Mildenberger, Klaus Bauer, Hermann Bieringer | 1989-06-13 |