| 12290768 |
Device for carrying out material exchange processes |
Bernd Metzen, Christian Kunkelmann, Marvin KRAMP, Claus Hechler |
2025-05-06 |
| 11498997 |
Process for removal of volatile compounds from tackifiers |
Miran Yu, Dieter Rodewald, Stephan Schlitter, Guenter Scherr, Felix Alexander Westerhaus |
2022-11-15 |
| 10941103 |
Process for continuously preparing n-butyl acrylate or isobutyl acrylate |
Tim Blaschke, Christian Raith, Michael Schafranka, Claus Hechler |
2021-03-09 |
| 10906862 |
Process for isolating pure butyl acrylate from crude butyl acrylate by distillation, where butyl is n-butyl or isobutyl |
Bernd Metzen, Claus Hechler |
2021-02-02 |
| 10894223 |
Process for isolating pure 2-ethylhexyl acrylate or pure 2-propylheptyl acrylate from the corresponding crude alkyl acrylate by distillation |
Bernd Metzen, Claus Hechler |
2021-01-19 |
| 10730823 |
Process for isolating pure tert-butyl (meth)acrylate from crude tert-butyl (meth)acrylate by distillation |
Bernd Metzen, Claus Hechler |
2020-08-04 |
| 10569192 |
Distillation device comprising a column which as three or a plurality of cells in series through which fluid flows and method for distilling or extractive distillation by use of the distillation device |
Norbert Asprion, Bernd Heida, Jan-Oliver Weidert |
2020-02-25 |
| 10252970 |
Method of dehydrating 3-hydroxypropionic acid to form acrylic acid |
Tim Blaschke, Nicolai Tonio Wörz, Christian Raith, Marco Hartmann, Marta Zajaczkowski-Fischer |
2019-04-09 |
| 9809526 |
Method for the continuous dehydration of 3-hydroxypropionic acid to form acrylic acid |
Tim Blaschke, Marta Zajaczkowski-Fischer, Marco Hartmann |
2017-11-07 |
| 9630900 |
Method for the dehydration of 3-hydroxypropanoic acid to form acrylic acid |
Tim Blaschke, Nicolai Tonio Wörz, Christian Raith, Marco Hartmann, Marta Zajaczkowski-Fischer |
2017-04-25 |
| 9388118 |
Continuous process for preparing (meth)acrylates of C10-alcohol mixtures |
Ulrich Jaeger, Volker Schliephake, Jochen Petzoldt, Tobias Johannes Korn, Virginie Bette +1 more |
2016-07-12 |
| 9260402 |
Process for the preparation of 5-hydroxymethylfurfural (HMF) |
Benoit Blank, Alois Kindler, Peter Bassler, Markus Piepenbrink, Carmen Feldner |
2016-02-16 |
| 7959766 |
Method for obtaining cyclododecatriene by evaporation |
Bernd Rumpf, Andrea Haunert, Thomas Genger, Anton Meier |
2011-06-14 |
| 7872131 |
Method for producing a solution of pure triethylenediamine (TEDA) |
Matthias Frauenkron |
2011-01-18 |
| 7345173 |
Work-up of the mother liquor obtained in the preparation of high-purity triethylenediamine |
Bernd Rumpf, Matthias Frauenkron, Dirk Funhoff, Thomas Manderbach, Bernd Stein |
2008-03-18 |
| 7342139 |
Method for producing highly concentrated formaldehyde solution |
Bernd Rumpf, Eckhard Ströfer, Neven Lang |
2008-03-11 |
| 7271292 |
Process for distillatively removing piperazine from an ethylenediamine-piperazine mixture |
Michael Jödecke, Gunther van Cauwenberge, Matthias Frauenkron |
2007-09-18 |
| 7151177 |
Process for the preparation of highly pure triethylene diamine |
Bernd Rumpf, Matthias Frauenkron, Thomas Manderbach, Bernd Stein |
2006-12-19 |
| 7132538 |
Isolation of high-purity triethylenediamine (TEDA) by distillation |
Bernd Rumpf, Matthias Frauenkron, Marco Bosch, Helmut Berrsche, Anton Meier |
2006-11-07 |
| 6958397 |
Method of selectively synthesizing triethylenediamine |
Matthias Frauenkron, Bernd Stein |
2005-10-25 |
| 6627756 |
Preparation of pure triethylenediamine |
Hartmut Riechers, Arthur Hohn, Joachim Simon, Hartmut Schoenmakers, Matthias Rauls +1 more |
2003-09-30 |
| 6552194 |
Process for the preparation of pure triethylenediamine (TEDA) |
Bernd Rumpf, Matthias Frauenkron, Dirk Funhoff, Thomas Manderbach, Bernd Stein |
2003-04-22 |
