Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7568643 | Process and apparatus for defined comminution of polymer gels | Gerhard Schoppel, Georg Haeubl, Helmuth Kirsch, Erich Schulz, Gerald Summer | 2009-08-04 |
| 7566015 | Process and apparatus for defined communication of polymer gels | Gerhard Schoppel, Georg Haeubl, Helmuth Kirsch, Erich Schulz, Gerald Summer | 2009-07-28 |
| 7105631 | Preparation of alkylated N- or amino, ammonium or spirobicyclic ammonium group-containing, crosslinked polymers | Michael Stanek, Gerhard Schoppel, Georg Haeubl, Ernst Wressnegger, Walter Raml | 2006-09-12 |
| 5412110 | Enzymatic process to separate racemic mixtures of delta valerolactones | Peter Pochlauer | 1995-05-02 |