Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635450 | Herbicidal N-[(1, 3, 5-Triazin-2-yl)-aminocarbonyl]-benzenesulfonamides | Gerhard Hamprecht, Karl-Otto Westphalen, Helmut Walter, Matthias Gerber, Klaus Grossmann +1 more | 1997-06-03 |
| 5612286 | Herbicidal N-[pyrimidin-2-ly) aminocarbonyl]-benzenesulfonamides | Gerhard Hamprecht, Karl-Otto Westphalen, Matthias Gerber, Uwe Kardorff, Helmut Walter | 1997-03-18 |
| 5591694 | Herbicidal sulfonylureas | Gerhard Hamprecht, Karl-Otto Westphalen, Helmut Walter, Matthias Gerber, Uwe Kardorff | 1997-01-07 |