Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676838 | Process for isolating hydroxymonocarboxylic and tricarboxylic acids | Elfriede Sextl, Akos Kiss, Heike Kinz, Wiltrud Schaefer-Treffenfeldt, Stefan Stockhammer | 1997-10-14 |
| 5527958 | Process of the isolation of L-leucine and L-isoleucine from aqueous solutions | Wiltrud Schaffer-Treffenfeldt, Gerard Richet, Tien Le Quang, Elfriede Sextl, Mario Scholz | 1996-06-18 |
| 5312980 | Process for the separation of amino acids from aqueous solutions | Wiltrud Schafer-Treffenfeldt, Akos Kiss, Elfriede Sextl, Heike Kinz | 1994-05-17 |