Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10759873 | Esterified cellulose ethers of high molecular weight and homogeneity | Matthias Sprehe, Meinolf Brackhagen | 2020-09-01 |
| 10759874 | Gelling esterified cellulose ethers | Matthias Knarr | 2020-09-01 |
| 10730956 | Process for producing a water-soluble cellulose derivative having a reduced content of water-insoluble particles | Roland Bayer | 2020-08-04 |
| 10730957 | Process of preparing an esterified cellulose ether in the presence of an alkali metal carboxylate and an aliphatic carboxylic acid | Matthias Sprehe, Warren K. Miller | 2020-08-04 |
| 10526421 | Esterified cellulose ethers of low acetone-insoluble content | Matthias Knarr, Matthias Sprehe | 2020-01-07 |