Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5080709 | Herbicidal agents containing chlorobenzoxazolyl-phenoxy propionic acid esters and either bromoxynil or ioxynil | Hans Schumacher, Rudolf Heinrich | 1992-01-14 |
| 4589908 | Herbicidal agents | Hans Schumacher, Rudolf Heinrich | 1986-05-20 |