Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8915998 | Pigment granulate, method for producing the same and use thereof | Christian Gotz, Ralph McIntosh, Werner Kalbitz, Frank Stenger, Rüdiger Mertsch +1 more | 2014-12-23 |
| 8372191 | Ink jet ink | Werner Kalbitz, Ralph McIntosh, Christoph Batz-Sohn, Alfons Karl | 2013-02-12 |
| 8328930 | Pigment preparation, method for producing the same and its use | Stephan Lüdtke, Ralph McIntosh, Werner Kalbitz, Jutta Zimmermann, Alfons Karl +1 more | 2012-12-11 |
| 7160377 | Aqueous, colloidal gas black suspension | Heinz Zoch, Werner Kalbitz, Stephan Lüdtke, Thomas Lüthge, Ralph McIntosh | 2007-01-09 |
| 7005004 | Aqueous, colloidal gas black suspension | Werner Kalbitz, Heinz Zoch, Stephan Lüdtke, Thomas Lüthge, Ralph McIntosh | 2006-02-28 |
| 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 |
| 6569231 | Pigment preparations, a process for preparing pigment preparations and use thereof | Johann Mathias, Horst Kleinhenz, Alfons Karl | 2003-05-27 |
| 6503311 | Aqueous carbon black dispersions | Alfons Karl, Werner Kalbitz, Horst Kleinhenz | 2003-01-07 |
| 6451100 | Aqueous carbon black dispersions | Alfons Karl, Horst Kleinhenz, Werner Kalbitz, Johann Mathias, Andreas Stubbe | 2002-09-17 |