Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10406452 | Apparatus and method for separating solid particles from a slurry | Dirk Verdoes, Johannes van der Meer, Michiel Nienoord, Jean-Marie Collard | 2019-09-10 |
| 7473412 | Process for the purification of aqueous peroxygen solutions, solutions obtainable thereby and their use | Robert Owen, Juergen Bosse | 2009-01-06 |
| 5779915 | Method of removing chlorine and halogen-oxygen compounds from water by catalytic reduction | Arne Tjark Becker, Gerhard Neuenfeldt, Veronika Koch, Hubert Schindler | 1998-07-14 |
| 5662809 | Catalytic fluidized bed process for treating aqueous liquids | Michael Bischoff, Dirk Bonse | 1997-09-02 |
| 5523003 | Method of introducing hydrogen into aqueous liquids without forming bubbles | Michael Bischoff, Andreas Mann, Rolf-Dieter Behling, Klaus-Viktor Peinemann, Klemens Kneifel | 1996-06-04 |
| 5518979 | Abrasion-resistant catalyst carrier formed of transition aluminas | Dirk Bonse, Karl-Heinz Bretz, Helmut Derleth | 1996-05-21 |
| 5507956 | Abrasion-resistant carrier catalyst | Dirk Bonse, Karl-Heinz Bretz, Helmut Derleth, Michael Bischoff | 1996-04-16 |
| 5393428 | Process for treating waste water containing chlorinated organic compounds from production of epichlorohydrin | Wolfgang Dilla, Helmut Dillenburg, Erich Ploenissen | 1995-02-28 |
| 5391297 | Process for gas treatment and degermination and apparatus for simultaneously degerminating and treating a liquid with gas | Andreas Mann | 1995-02-21 |
| 5122496 | Catalyst for removing the nitrite and/or nitrate content in water | Klaus-Dieter Vorlop, Thomas Tacke, Gunther Strauss | 1992-06-16 |
| 5015448 | Particulate material suitable for selectively separating metal cations from aqueous solutions, process for its production, and use thereof | Klaus-Dieter Vorlop | 1991-05-14 |
| 4990266 | Process for removing the nitrite and/or nitrate content in water | Klaus-Dieter Vorlop, Thomas Tacke, Gunther Strauss | 1991-02-05 |