Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10259752 | Production of citrate soluble phosphates by calcination of secondary phosphate sources with a sodium-sulfuric compound | Jan Stemann, Christian Adam | 2019-04-16 |
| 10081545 | Process and plant for separating heavy metals from phosphoric starting material | Gunter Schneider, Dirk Lohrberg | 2018-09-25 |
| 9840415 | Process and plant for separating heavy metals from phosphoric starting material | Dirk Lohrberg, Bertold Stegemann, Guenter Schneider | 2017-12-12 |