Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7811458 | Method for treating aqueous sludge, material so produced and the use thereof | Thorsten Buddenberg, Hartmut Pawel, Otto Schroers, Wolfgang Hoeppner, Volker Hartmann | 2010-10-12 |
| 7553423 | Method for treating aqueous sludge, material so produced and the use thereof | Thorsten Buddenberg, Hartmut Pawel, Otto Schroers, Wolfgang Hoeppner, Volker Hartmann | 2009-06-30 |