Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7556802 | Polymer-coated, granulated enzyme-containing feed additives and method for the production thereof | Hans-Peter Harz, Roland Betz, Gabriel Marinus Henricus Meesters, Carl Sidonius Maria Andela | 2009-07-07 |
| 6475546 | Process for producing enzyme-containing granules | Hans-Peter Harz, Wolfgang Heinzl, Roland Betz, Thomas Kessler | 2002-11-05 |