Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5393845 | Process for the production of low molecular weight acrylonitrile polymers and their use | Siegfried Korte, Heinrich Alberts, Werner Karstens, Wolfgang Koch, Hans-Günter Poersch-Panke +1 more | 1995-02-28 |
| 4988790 | Substances for the manufacture of paper | Rudolf Behn, Lutz Hoppe, Klaus Szablikowski | 1991-01-29 |
| 4749498 | Water-soluble polymers and their use as flushing liquid additives for drilling | Werner Lange | 1988-06-07 |
| 4588772 | Water-soluble, polymer-modified hydroxyalkyl methyl cellulose and its use as an additive for asbestos-free tile adhesive formulations | Werner Lange, Frank Hohl | 1986-05-13 |
| 4267059 | Auxiliary for improving retention, dewatering and working up, particularly in the manufacture of paper | Rudolf Behn, Lutz Hoppe | 1981-05-12 |