Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7683110 | Preparation of cellulose ether products of increased viscosity and fineness | Hartwig Schlesiger, Roland Bayer, Daniel Auriel, Jurgen Engelhardt, Frank Hohl +3 more | 2010-03-23 |
| 7491755 | Cellulose ether composition for the extrusion of mineral shaped bodies and also a process for the extrusion of mineral shaped bodies using this cellulose ether composition | Roland Bayer, Frank Hohl, Hartwig Schlesiger, Jorn-Bernd Pannek, Jurgen Engelhardt +1 more | 2009-02-17 |
| 7041168 | Process for cement extrusion that makes use of crosslinked cellulose additives | Hartwig Schlesiger, Roland Bayer, Frank Hohl, Jurgen Engelhardt, Burkhard Kressdorf +1 more | 2006-05-09 |
| 6958393 | Cellulose derivatives having gel-like rheological properties and process for the preparation thereof | Hartwig Schlesiger, Erik-Andreas Klohr | 2005-10-25 |