Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7683110 | Preparation of cellulose ether products of increased viscosity and fineness | Hartwig Schlesiger, Roland Bayer, Jurgen Engelhardt, Frank Hohl, Erik-Andreas Klohr +3 more | 2010-03-23 |
| 7371279 | Cellulose ether composition | Roland Bayer, Hartwig Schlesiger | 2008-05-13 |