Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221200 | Quaternary amino alcohol functional organosilicon compounds, composition containing the latter and their production and use | Christian Wassmer, Burkhard Standke, Stefan Scharfe, Andrea Heuschen | 2019-03-05 |
| 9796738 | Quaternary amino alcohol functional organosilicon compounds, composition containing the latter and their production and use | Christian Waßmer, Burkhard Standke, Stefan Scharfe, Andrea Heuschen | 2017-10-24 |
| 8980960 | Methods for producing a dispersion containing silicon dioxide particles and cationization agent | Stefan Scharfe, Andrea Heuschen, Burkhard Standke, Christian Wassmer, Heinz Lach | 2015-03-17 |
| 8979996 | Composition containing quaternary amino-functional organosilicon compunds and production and use thereof | Burkhard Standke, Christian Wassmer, Tim Voegtlin, Irene Lippert, Stefan Scharfe +2 more | 2015-03-17 |
| 8911638 | Silicon dioxide dispersion comprising polyol | Wolfgang Lortz, Helmut Mangold, Gabriele Perlet, Werner Will, Sascha Reitz | 2014-12-16 |
| 8834833 | Process for preparing an aluminium oxide powder having a high alpha-Al2O3 content | Christian Schulze-Isfort, Herbert Habermann, Ralph Hofmann | 2014-09-16 |
| 8747541 | Dispersion containing silica particles surface-modified with quaternary, aminofunctional organosilicon compounds | Stefan Scharfe, Heinz Lach, Andrea Heuschen, Burkhard Standke, Christian Wassmer | 2014-06-10 |
| 8728225 | Composition containing quaternary amino-functional organosilicon compounds and production and use thereof | Burkhard Standke, Christian Wassmer, Tim Voegtlin, Irene Lippert, Stefan Scharfe +2 more | 2014-05-20 |
| 8562733 | Aluminium oxide dispersion | Wolfgang Lortz, Gabriele Perlet, Heinz Lach, Werner Will | 2013-10-22 |
| 8529651 | Process for the production of metal oxide and metalloid oxide dispersions | Wolfgang Lortz, Gabriele Perlet, Werner Will, Gerrit Schneider | 2013-09-10 |
| 8372191 | Ink jet ink | Gerd Tauber, Werner Kalbitz, Ralph McIntosh, Alfons Karl | 2013-02-12 |
| 8303702 | Preparation for producing refractory materials | Tadeusz Von Rymon Lipinski, Christoph Tontrup, Wolfgang Lortz | 2012-11-06 |
| 8232333 | Process for producing ultrafine powders based on polyamides, ultrafine polyamide powders and their use | Harald Haeger, Franz-Erich Baumann, Wolfgang Lortz | 2012-07-31 |
| 8092587 | Stable aqueous dispersions of precipitated silica | Florian Zschunke, Burkhard Standke, Stefan Scharfe, Heinz Lach, Andrea Heuschen +4 more | 2012-01-10 |
| 7976719 | Use of a cationic silicon dioxide dispersion as a textile finishing agent | Wolfgang Lortz, Heinz Lach, Gabriele Perlet, Werner Will | 2011-07-12 |
| 7780777 | Dispersion containing titanium dioxide | Gabriele Perlet, Wolfgang Lortz, Werner Will, Sascha Reitz | 2010-08-24 |
| 7749322 | Aluminium oxide powder produced by flame hydrolysis and having a large surface area | Kai Schumacher, Rainer Golchert, Roland Schilling, Martin Moerters | 2010-07-06 |
| 7645335 | Aqueous dispersion of hydrophobized silicon dioxide powder comprising a dispersing agent | Wolfgang Lortz, Gabriele Perlet, Werner Will, Kathrin Lehmann, Angela Ruttgerodt | 2010-01-12 |
| 7538142 | Method and device for producing dispersions | Wolfgang Lortz | 2009-05-26 |
| 7470423 | Aqueous dispersion containing pyrogenically prepared metal oxide particles and dispersants | Wolfgang Lortz, Steffen Hasenzahl, Gabriele Perlet, Werner Will, Ralf Mathiak +1 more | 2008-12-30 |
| 7399487 | High-concentration aqueous dispersions comprising hydrophilic microfine metal oxide particles and dispersion auxiliaries | Petra Brandt, Thomas Dietz, Steffen Hasenzahl, Klaus Jenni, Kathrin Lehmann +2 more | 2008-07-15 |
| 7374787 | Stabilized, aqueous silicon dioxide dispersion | Wolfgang Lortz, Gabriele Perlet, Werner Will, Gerrit Schneider, Peter Neugebauer | 2008-05-20 |
| 7244302 | Titanium dioxide coated with silicon dioxide | Kai Schumacher, Steffen Hasenzahl | 2007-07-17 |
| 7015270 | Cationic mixed-oxide dispersion, coating pigment and ink-absorbing medium | Thomas Scharfe, Wolfgang Lortz | 2006-03-21 |
| 6991190 | Process for producing dispersions | Wolfgang Lortz, Bernd Penth | 2006-01-31 |