| 7241365 |
Material for a facility for the production of anhydrous formic acid |
Bernd Bessling, Hans Hammer, Hans Hasse, Friedrich Sauer, Maximilian Vicari +2 more |
2007-07-10 |
| 7105616 |
Separation of isobutene non-reacted during polymerization of isobutene |
— |
2006-09-12 |
| 7049383 |
Polyisobutene composition |
Dirk Borchers, Thomas Wettling |
2006-05-23 |
| 7038008 |
Method for the processing of a liquid reaction discharge of the cationic polymerization of isobutene |
Thomas Wettling, Dirk Borchers |
2006-05-02 |
| 6987165 |
Method for producing highly reactive polyisobutenes |
Ulrich Kanne, Andre De Vos |
2006-01-17 |
| 6921833 |
Method for the continuous production of methyl formate |
Jurgen Dahlhaus, Karl Fischer, Hans Hammer, Jochen Kellenbenz, Michael Schulz +2 more |
2005-07-26 |
| 6867329 |
Waste water treatment in a method for producing formic acid which is free of water |
Bernd Bessling, Hans Hammer, Hans Hasse, Friedrich Sauer, Maximilian Vicari +1 more |
2005-03-15 |
| 6841700 |
Method for producing anhydrous formic acid |
Bernd Bessling, 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 |
Bernd Bessling, Hans Hammer, Hans Hasse, Friedrich Sauer, Maximilian Vicari +2 more |
2005-01-04 |
| 6833057 |
Pure ethylene oxide distillation process |
Bernd Bessling, Hans Hasse, Jürgen Plückhan, Thomas Mayer |
2004-12-21 |
| 6696603 |
Method for cleaning off-gas flows |
Bernd Bessling, Hans Hammer, Hans Hasse, Friedrich Sauer, Maximilian Vicari +2 more |
2004-02-24 |
| 6300467 |
Production of polytetrahydrofuran with terminal hydroxyl groups by changing the continuous and dispersed phase |
Jurgen Ciprian, Lothar Franz, Wolfgang Franzischka, Gabriele Iffland, Alexander Weck +1 more |
2001-10-09 |
| 6245947 |
Treatment for polyether polyols |
Bernd Guettes, Gerd Hoeppner, Monika Wetterling, Jens Bruhn, Stefan Dinsch +1 more |
2001-06-12 |
| 6123812 |
Process for distilling ethylene oxide |
Bernd Bessling, Sebastian Zeck, Jürgen Plückhan, Thomas Mayer, Ulrich Loffler +8 more |
2000-09-26 |
| 6048441 |
Isolation of neopentyl glycol hydroxypivalate (NGH) |
Siegfried Kruger, Stephan Scholl, Theodor Weber, Johann-Peter Melder |
2000-04-11 |
| 5981688 |
Continuous preparation of polytetrahydrofuran by a transesterification cascade with specific destruction of foam |
Klaus Beiser, Jurgen Ciprian, Lothar Franz, Wolfgang Franzischka, Ulrich-Dieter Pessel +1 more |
1999-11-09 |
| 5536831 |
Obtaining caprolactam by cleavage of molten polycaprolactam |
Michael Kopietz, Alan Handerman, Simon Jones, Ulrich Kalck, Claus-Ulrich Priester +3 more |
1996-07-16 |
| 5149861 |
Recovery of trialkylamines and methyl formate from mixtures obtained in the preparation of trimethylolalkanes |
Franz Merger, Peter Hettinger, Leopold Hupfer, Juergen Paetsch, Heribert Deck +1 more |
1992-09-22 |
| 4984342 |
Method for the manufacture of solid electrolyte capacitors |
Gernot Winkler |
1991-01-15 |
| 4847309 |
Method for making foundry sand containing a resin binder |
Wolfgang Klesse, Peter Quis |
1989-07-11 |
| 4585809 |
Resin binders for foundry molding sands |
Wolfgang Klesse, Peter Quis, Walther W. Szubinski |
1986-04-29 |
