Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7868166 | Continuous process for the production and/or workup of polysaccharide derivatives | Volker Eckhardt, Martin Lohrie, Holger Tanneberger | 2011-01-11 |
| 6593468 | Essentially fiber-free cellulose ether with improved water retention, method for the production and use thereof | Werner Lange, Friedrich-Karl Lampert, Wilhelm Oppermann, Jorn-Bernd Pannek, Rene Kiesewetter | 2003-07-15 |
| 4972007 | Use of cellulose derivatives in drilling fluids | Dieter Herzog | 1990-11-20 |