Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780389 | Process for the production of modified carbon black | Alfons Karl, Ralph McIntosh, Werner Kalbitz, Horst Kleinhenz, Stephan Luedtke | 2004-08-24 |
| 6685769 | Aqueous carbon black dispersions | Alfons Karl, Horst Kleinhenz, Werner Kalbitz, Andreas Stubbe, Johann Mathias | 2004-02-03 |