Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988790 | Substances for the manufacture of paper | Branislav Bohmer, Lutz Hoppe, Klaus Szablikowski | 1991-01-29 |
| 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, Lutz Hoppe, Klaus Szablikowski, Dieter Kudora | 1982-05-18 |
| 4267059 | Auxiliary for improving retention, dewatering and working up, particularly in the manufacture of paper | Lutz Hoppe, Branislav Bohmer | 1981-05-12 |