Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665575 | Microbial esterase for the enantioselective cleavage of 1-phenylethyl acetate | Hans-Willi Krell | 1997-09-09 |
| 5622858 | Arthrobacter strain producing esterase for the enantioselective cleavage of 1-arylalkyl esters | Hans-Willi Krell | 1997-04-22 |