Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8569401 | Storing and distributing a feeder product | Meinolf Brackhagen, Marco Grossstueck, Hartwig Schlesiger, Jan Zillmann | 2013-10-29 |
| 8197699 | Process for preparing methylhydroxyalkylcellulose having a small number of coloured particles | Wolfgang Dannhorn, Erik-Andreas Klohr, Hartwig Schlesiger, Bernhard Kranz, Helmut Holste +1 more | 2012-06-12 |
| 7402668 | Process of preparing alkylhydroxyalkylcellulose | Wolfgang Dannhorn, Erik-Andreas Klohr, Hartwig Schlesiger, Jorn-Bernd Pannek | 2008-07-22 |