Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8372191 | Ink jet ink | Gerd Tauber, Werner Kalbitz, Ralph McIntosh, Christoph Batz-Sohn | 2013-02-12 |
| 8328930 | Pigment preparation, method for producing the same and its use | Gerd Tauber, Stephan Lüdtke, Ralph McIntosh, Werner Kalbitz, Jutta Zimmermann +1 more | 2012-12-11 |
| 8236274 | Carbon black, method of producing carbon black, and device for implementing the method | Catharina Quitmann, Matthias Katzer, Kai Krauss, Michael Stanyschöfsky | 2012-08-07 |
| 8003069 | Carbon black, method for the production of carbon black or other flame aerosols, and device for carrying out said method | Ulrich Riebel, Matthias Katzer, Kai Krauss, Juergen Behnisch | 2011-08-23 |
| 7217405 | Method for producing post-treated carbon black | — | 2007-05-15 |
| 7172652 | Carbon black granules | Heinz Zoch, Norbert Hornick, Silke Teike | 2007-02-06 |
| 6780389 | Process for the production of modified carbon black | Ralph McIntosh, Werner Kalbitz, Horst Kleinhenz, Gerd Tauber, Stephan Luedtke | 2004-08-24 |
| 6685769 | Aqueous carbon black dispersions | Horst Kleinhenz, Werner Kalbitz, Gerd Tauber, Andreas Stubbe, Johann Mathias | 2004-02-03 |
| 6569231 | Pigment preparations, a process for preparing pigment preparations and use thereof | Johann Mathias, Horst Kleinhenz, Gerd Tauber | 2003-05-27 |
| 6503311 | Aqueous carbon black dispersions | Werner Kalbitz, Horst Kleinhenz, Gerd Tauber | 2003-01-07 |
| 6471763 | Oxidatively aftertreated carbon black | — | 2002-10-29 |
| 6451100 | Aqueous carbon black dispersions | Horst Kleinhenz, Werner Kalbitz, Johann Mathias, Gerd Tauber, Andreas Stubbe | 2002-09-17 |
| 6171382 | Aqueous carbon black dispersions | Andreas Stubbe, Horst Kleinhenz, Jurgen Leimann | 2001-01-09 |
| 5859120 | Carbon black and processes for manufacturing | Burkhard Freund, Karl Vogel | 1999-01-12 |
| 5292708 | Method of producing activated carbon from pit-wet lignite | — | 1994-03-08 |
| 4987116 | Method of preparing a coarse-pored formed carbon | Hartmut von Kienle | 1991-01-22 |
| 4642304 | Activated carbon and process for its production | Erwin Walter, Peter Kleinschmit, Hermann Gottschlich, Roland Kutz, Detley Koth | 1987-02-10 |
| 4603119 | Process for production of activated carbon from lignite coke | Erwin Walter, Peter Kleinschmit, Hermann Gottschlich, Roland Kutz, Detlev Koth | 1986-07-29 |
| 4401598 | Production of organosilicon compounds having azido groups | Wolfgang Buder | 1983-08-30 |
| 4390712 | Aqueous solution of cationic organosilicon compounds and process for the production of the solutions | Wolfgang Buder, Peter Kleinschmit | 1983-06-28 |
| 4362885 | Process for the manufacture of (iodoorganyl)alkoxysilanes | Peter Panster, Wolfgang Buder, Peter Kleinschmit | 1982-12-07 |