Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6958404 | Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor | Holger Borchert, Stephan Schlitter, Michael Hesse, Frank Stein, Rolf Fischer +2 more | 2005-10-25 |
| 6921830 | Method for purifying an organic solvent for the purposes of absorption of maleic acid anhydride | Ralf-Thomas Rahn, Gerd Kaibel | 2005-07-26 |
| 6888011 | Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran | Holger Borchert, Stephan Schlitter, Markus Rösch, Rolf Fischer, Ralf-Thomas Rahn | 2005-05-03 |
| 6846389 | Method for distillative separation of mixtures containing tetrahydrofuran, γ-butyrolactone and/or 1,4-butanediol | Gerd Kaibel, Ralf-Thomas Rahn | 2005-01-25 |