Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7521080 | Process for the granulation of an animal feedstuff additive | Hans Christian Alt, Matthias Moll, Joachim Pohlisch, Claas-Jurgen Klasen | 2009-04-21 |
| 6001838 | Process for the separation of pyrimidine derivatives from aqueous solutions | Wiltrud Treffenfeldt, Andrea Preuss | 1999-12-14 |
| 5928518 | Cross-flow filtration process for separating organic compound by adsorption on inorganic solids | Wiltrud Schafer-Treffenfeldt, Gerard Richet, Gunter Weissland | 1999-07-27 |
| 5731459 | Process for separating amino acids and aminosulponic acids through adsorption on zeolites | Wiltrud Schafer-Treffenfeldt, Gunter Knaup, Karlheinz Drauz, Elfriede Sextl | 1998-03-24 |
| 5676838 | Process for isolating hydroxymonocarboxylic and tricarboxylic acids | Elfriede Sextl, Akos Kiss, Heike Kinz, Wiltrud Schaefer-Treffenfeldt, Sems Yonsel | 1997-10-14 |