Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993533 | Method for regenerating an auxiliary filtering agent | Helmut Meffert, Marianna Pierobon, Tobias Petsch, Julia Brodersen, Hermann Josef Feise +3 more | 2011-08-09 |
| 7868093 | Method for producing blends consisting of polystyrene and of a cross-linked polyvinyl pyrrolidone having a reduced styrene residual monomer content | Klemens Mathauer, Marianna Pierobon, Tobias Petsch, Karl-Otto Heilmann, Michael Kerber | 2011-01-11 |