| 8293075 |
Method for the continuous separation by distillation of mixtures that contain morphonline (MO), monoaminodiglycol (ADG), ammonia and water by means of distillation |
Helmut Schmidtke, Oliver Buβmann, Udo Rheude, Uwe Leyk, Manfred Julius +2 more |
2012-10-23 |
| 8246793 |
Method for the continuous separation of mixtures comprising morpholine (MO), monoaminodiglycol (ADG), ammonia and water by means of distillation |
Helmut Schmidtke, Oliver Buβmann, Udo Rheude, Uwe Leyk, Manfred Julius +2 more |
2012-08-21 |
| 8197646 |
Processes for continuous fractional distillation of mixtures comprising morpholine, monoaminodiglycol, ammonia and water |
Helmut Schmidtke, Oliver Buβmann, Udo Rheude, Uwe Leyk, Manfred Julius +2 more |
2012-06-12 |
| 7994350 |
Process for continuously preparing N-ethyl-2-pyrrolidone (NEP) |
Helmut Schmidtke, Silke Simon, Karl-Heinz Ott, Ronald Drews, Stephanie Mollner |
2011-08-09 |
