Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489438 | Fertilizer formulations comprising polysulfonic acids | Klaus Erhardt, Vilmos Czikkely, Gerd Bühler | 2002-12-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489438 | Fertilizer formulations comprising polysulfonic acids | Klaus Erhardt, Vilmos Czikkely, Gerd Bühler | 2002-12-03 |