Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11142633 | Aqueous composition comprising dispersed esterified cellulose ether | Matthias Knarr, Meinolf Brackhagen | 2021-10-12 |
| 10961355 | Aqueous solution of cellulose ether acetate | Jin Zhao | 2021-03-30 |
| 10947322 | Esterified cellulose ethers comprising phthalyl groups | — | 2021-03-16 |