Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597881 | Use of ester quats in compositions as sand-repellent substances | Burghard Gruning, Klaus Jenni, Jurgen Meyer, Christian Weitemeyer | 2009-10-06 |
| 7470423 | Aqueous dispersion containing pyrogenically prepared metal oxide particles and dispersants | Wolfgang Lortz, Christoph Batz-Sohn, Steffen Hasenzahl, Gabriele Perlet, Werner Will +1 more | 2008-12-30 |
| 7399487 | High-concentration aqueous dispersions comprising hydrophilic microfine metal oxide particles and dispersion auxiliaries | Christoph Batz-Sohn, Petra Brandt, Thomas Dietz, Steffen Hasenzahl, Klaus Jenni +2 more | 2008-07-15 |