Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7425589 | Method for modifying cellulose ethers | Friedrich Girg, Roland Friedel | 2008-09-16 |
| 7361753 | Method for the production of easily wetted, water-soluble, powdered at least alkylated non-ionic cellulose ethers | Reinhard Doenges | 2008-04-22 |