Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5928518 | Cross-flow filtration process for separating organic compound by adsorption on inorganic solids | Stefan Stockhammer, Gerard Richet, Gunter Weissland | 1999-07-27 |
| 5731459 | Process for separating amino acids and aminosulponic acids through adsorption on zeolites | Stefan Stockhammer, Gunter Knaup, Karlheinz Drauz, Elfriede Sextl | 1998-03-24 |
| 5312980 | Process for the separation of amino acids from aqueous solutions | Sems Yonsel, Akos Kiss, Elfriede Sextl, Heike Kinz | 1994-05-17 |