Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7931745 | Black pigment/auxiliary combination having improved colour strength | Holger Friedrich, Jurgen Kischkewitz | 2011-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7931745 | Black pigment/auxiliary combination having improved colour strength | Holger Friedrich, Jurgen Kischkewitz | 2011-04-26 |