Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357437 | Process for the production of water-soluble hydrolyzed products of polyacrylonitrile polymers | Helmut Huhn, Werner Karstens | 1982-11-02 |
| 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 | Branislaw Bohmer, Klaus Szablikowski, Dieter Kudora, Rudolf Behn | 1982-05-18 |