Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160365 | Herbicidal 1,3,5-triazin-2-ylureidosulfonylbenzoic esters | Gerhard Hamprecht, Karl-Otto Westphalen, Helmut Walter, Matthias Gerber | 1992-11-03 |
| 5130428 | Preparation of 6-trifluoromethyl-1,3,5-triazines | Gerhard Hamprecht | 1992-07-14 |
| 5100459 | Substituted sulfonylureas | Gerhard Hamprecht, Bruno Wuerzer, Karl-Otto Westphalen | 1992-03-31 |
| 5071470 | Herbicidal 1,3,5-triazin-2-ylaminocarbonylamino-sulfonylbenzoic esters | Gerhard Hamprecht, Karl-Otto Westphalen, Bruno Wuerzer | 1991-12-10 |
| 5032167 | Substituted sulfonylureas | Gerhard Hamprecht, Bruno Wuerzer, Karl-Otto Westphalen | 1991-07-16 |