Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650375 | Synergistic herbicidal compositions | Erwin Hacker, Hans Philipp Huff, Hans Schumacher | 1997-07-22 |
| 5599769 | Synergistic herbicidal compositions comprising glyphosate or glufosinate in combination with a sulfonylurea herbicide | Erwin Hacker, Manfred Rottele, Walter Dannigkeit, Hans Schumacher | 1997-02-04 |