Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363784 | Apparatus for continuously producing water-soluble hydroxyalkyl cellulose and related ethers | Josef Hilbig, Arno Holst, Hans Kunkler, Wolfgang Schminke | 1982-12-14 |
| 4310663 | Continuous process for producing water-soluble hydroxyalkyl cellulose and related ethers | Josef Hilbig, Arno Holst, Hans Kunkler, Wolfgang Schminke | 1982-01-12 |