Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330441 | Solvent-soluble substances characterized in that water-soluble cellulose ethers are chemically bonded to water-soluble, at least predominately synthetic polymers containing acrylic units | Lutz Hoppe, Klaus Szablikowski, Dieter Kudora, Rudolf Behn | 1982-05-18 |