Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465555 | Water-soluble polymers of di-C.sub.1 -C.sub.3 -alkylaminoneopentyl (meth)acrylates, and their use as retention agents, drainage agents and flocculants in papermaking | Friedrich Linhart, Juergen Hartmann, Heinrich Hartmann, Herbert Spoor | 1984-08-14 |
| 4465599 | Flocculants based on polymers containing water-soluble dialkylaminoneopentyl (meth)acrylates | Hans Burkert, Juergen Hartmann, Wilfried Heide, Heinrich Hartmann, Herbert Spoor | 1984-08-14 |
| 4189559 | Manufacture of polymers in bead form from water-soluble, ethylenically unsaturated monomers | Uwe Bueltjer, Hans-Uwe Schenck, Herbert Spoor | 1980-02-19 |