Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8466315 | Urea granulation process with an acidic scrubbing system and the subsequent integration of ammonium salt into urea granules | Paul Niehues, Harald Franzrahe, Matthias Potthoff | 2013-06-18 |
| 8080687 | Method for reducing aerosol emissions in a urea granulation plant | Paul Niehues, Harald Franzrahe, Matthias Potthoff | 2011-12-20 |