Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7942953 | Adsorption vessels | Andreas Schlegel, Peter Bailly, Klaus Rohbock | 2011-05-17 |
| 7931745 | Black pigment/auxiliary combination having improved colour strength | Holger Friedrich, Gerald Buchner | 2011-04-26 |