Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593943 | Heteroaromatically condensed hydroxypyridonecarboxamides, their preparation and use as herbicides | Wolfgang von Deyn, Hans Theobald, Karl-Otto Westphalen, Uwe Kardorff, Helmut Walter +2 more | 1997-01-14 |