Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11912571 | Device and process for producing hydrogen peroxide by an anthraquinone process | Nils Henning Seidel, Johannes Kamp, Jürgen Glenneberg, Eduardo Federico Arévalo Saade, Hari Prasad Mangalapally | 2024-02-27 |
| 10723628 | SiO2 containing dispersion with high salt stability | Wolfgang Lortz, Ulrich Fischer, Gabriele Bergmann | 2020-07-28 |
| 10106426 | Method for the separation of metal ions that are divalent or higher from strong acids or highly acidic media | Florian Paulat, Guido Titz, Sven Müller, Peter Erlhöfer, Markus Ruf +5 more | 2018-10-23 |
| 10065865 | Process for preparing aqueous colloidal silica sols of high purity from alkali metal silicate solutions | Claudia Fuhrmann, Dieter Oehm, Florian Paulat, Rudiger Schutte, Hartwig Rauleder +3 more | 2018-09-04 |
| 9738535 | Precipitated silicas for storage-stable RTV-1 silicone rubber formulations without stabilizer | Helga Obladen, Karl Meier, Markus Ruf, Rene Allerdisse, Dieter Kuhn +3 more | 2017-08-22 |
| 8617504 | Hydrophilic silica for sealants | Helga Obladen, Rene Allerdisse, Karl Meier, Markus Ruf, Michael Kempf +2 more | 2013-12-31 |
| 8614256 | Hydrophobic precipitated silica for defoamer formulations | Rene Allerdisse, Helga Obladen, Mario Loebbus, Anja Lukas, Roland Bergmann +1 more | 2013-12-24 |
| 8603353 | Thermal insulation material comprising precipitated silica | Frank Menzel, Karl Meier | 2013-12-10 |
| 8039105 | Amorphous submicron particles | Karl Meier, Ulrich Brinkmann, Doris Misselich, Christian Goetz | 2011-10-18 |
| 8007751 | Hydrophilic precipitated silica for defoamer formulations | Rene Allerdisse, Helga Obladen, Mario Loebbus, Anja Lukas, Roland Bergmann +1 more | 2011-08-30 |
| 7985292 | Precipitated silica for thickening and creating thixotropic behavior in liquid systems | Karl Meier, James R. Toth, Guido Titz, Matt Romaine, Mario Scholz | 2011-07-26 |
| 7850102 | Amorphous submicron particles | Karl Meier, Ulrich Brinkmann, Doris Misselich, Christian Gotz | 2010-12-14 |
| 7767180 | Precipitated silicas having special surface properties | Helga Obladen, Rene Allerdisse, Karl Meier, Markus Ruf, Michael Kempf +2 more | 2010-08-03 |
| 7220449 | High-whiteness hydrophobic precipitated silica with ultralow moisture absorption | Uwe Schachtely, Ralf Schmoll | 2007-05-22 |
| 7074457 | Process for preparing high-whiteness hydrophobic precipitated silica with ultralow moisture absorption | Karl Meier, Ralf Stoffels, Helga Obladen, Ralf Schmoll | 2006-07-11 |
| 7022375 | High-whiteness hydrophobic precipitated silica with ultralow moisture absorption | Uwe Schachtely, Ralf Schmoll | 2006-04-04 |
| 6956080 | Room temperature crosslinking, one component silicone rubber formulation with hydrophobic silica | Mario Scholz, Michael Kempf, Kenichi Kawamoto | 2005-10-18 |
| 6899951 | High-whiteness, non-heat-treated hydrophobic precipitated silica | Ralf Schmoll, Michael Kempf, Mario Scholz | 2005-05-31 |
| 6846865 | Silicone rubber formulations with hydrophobic silicas | Ralf Schmoll, Uwe Schachtely, Michael Kempf, Mario Scholz | 2005-01-25 |