Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11142633 | Aqueous composition comprising dispersed esterified cellulose ether | Oliver Petermann, Meinolf Brackhagen | 2021-10-12 |
| 11000594 | Composition comprising an organic liquid diluent and a cellulose ether of very low viscosity | Meinolf Brackhagen, Nicholas S. Grasman, Mark J. Hall, Steven J. Guillaudeu, Robert L. Schmitt | 2021-05-11 |