Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8048838 | MGDA-based powder mixture or granulate mixture | Michael Schoenherr, Markus Hartmann | 2011-11-01 |
| 7905964 | Method for the passivation of metal surfaces with compositions comprising polymers with acid groups and waxes | Walter Bertkau, Thomas Heidenfelder, Alexander Gothlich | 2011-03-15 |
| 7879158 | Nitrogenous polymers for metal surface treatment | Frank Dietsche, Matthias Kluglein, Frank Klippel | 2011-02-01 |