Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802882 | Nitrification inhibitors, and the use of polyacids which contain a nitrification inhibitor for the treatment of inorganic fertilizers | Thomas Barth, Norbert Rieber, Randall Evan Gold, Jurgen Dressel, Klaus Erhardt +2 more | 2004-10-12 |
| 6488734 | Nitrification inhibitors, and the use of polyacids which contain a nitrification inhibitor for the treatment of inorganic fertilizers | Thomas Barth, Norbert Rieber, Randall Evan Gold, Jurgen Dressel, Klaus Erhardt +2 more | 2002-12-03 |
| 6139596 | Nitrification inhibitors and the use of polyacids to treat mineral fertilizers containing a nitrification inhibitor | Thomas Barth, Norbert Rieber, Randall Evan Gold, Jurgen Dressel, Klaus Erhardt +2 more | 2000-10-31 |