Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7241365 | Material for a facility for the production of anhydrous formic acid | Heinz Auer, Hans Hammer, Hans Hasse, Friedrich Sauer, Maximilian Vicari +2 more | 2007-07-10 |
| 6867329 | Waste water treatment in a method for producing formic acid which is free of water | Heinz Auer, Hans Hammer, Hans Hasse, Friedrich Sauer, Maximilian Vicari +1 more | 2005-03-15 |
| 6841700 | Method for producing anhydrous formic acid | Heinz Auer, Hans Hammer, Hans Hasse, Friedrich Sauer, Maximilian Vicari +1 more | 2005-01-11 |
| 6838579 | Utilization of an extracting agent as antifoaming agent in the production of anhydrous formic acid | Heinz Auer, Hans Hammer, Hans Hasse, Friedrich Sauer, Maximilian Vicari +2 more | 2005-01-04 |
| 6833057 | Pure ethylene oxide distillation process | Hans Hasse, Jürgen Plückhan, Thomas Mayer, Heinz Auer | 2004-12-21 |
| 6696610 | Continuous preparation of monoethanolamine, diethanolamine and triethanolamine | Werner Peschel, Axel Hildebrandt | 2004-02-24 |
| 6696603 | Method for cleaning off-gas flows | Heinz Auer, Hans Hammer, Hans Hasse, Friedrich Sauer, Maximilian Vicari +2 more | 2004-02-24 |
| 6605192 | Method for producing highly pure monoethylene glycol | Gerhard Theis, Till Adrian, Hans Hasse, Frans Vansant | 2003-08-12 |
| 6570026 | Method for producing phthalic anhylic anhydride according to specifications | Werner Peschel, Peter Reuter, Peter Michael Lorz, Bernhard Ulrich, Jean Werner Knab +2 more | 2003-05-27 |
| 6514388 | Method for producing highly pure monoethylene glycol | Till Adrian, Hans Hasse, Frans Vansant, Gerhard Theis | 2003-02-04 |
| 6362386 | Method and device for obtaining isobutenes from conjugated hydrocarbons | Jean Werner Knab, Wolfgang Brox, Bernd Lohe | 2002-03-26 |
| 6123812 | Process for distilling ethylene oxide | Sebastian Zeck, Jürgen Plückhan, Thomas Mayer, Ulrich Loffler, Gunter Spiegel +8 more | 2000-09-26 |
| 6028215 | Process for preparing esters of carboxylic acids | Bernd Lohe, Rudiger Welker, Walter Disteldorf, Jean Werner Knab | 2000-02-22 |