| 11591543 |
Aroma chemical compositions containing 3,5-diethyl-2-propyl-tetrahydropyran and/or unsaturated derivatives thereof |
Nicolas MARION, Rolf Pinkos, Stefan RUEDENAUER, Florian Garlichs, Ralf Pelzer +7 more |
2023-02-28 |
| 11518749 |
Method for the continuous separation by distillation of mixtures that contain morpholine (MO), monoaminodiglycol (ADG), ammonia, water and methoxyethanol (MOE) |
Oliver Bussmann, Eva Koch, Manfred Heilig, Joerg Pastre, Johann-Peter Melder |
2022-12-06 |
| 11214555 |
Method for depleting 2-methoxyethanol (MOE) |
Eva Koch, Oliver Bussmann, Joerg Pastre, Johann-Peter Melder |
2022-01-04 |
| 8987517 |
Process for preparing cycloaliphatic amines |
Willi Doell |
2015-03-24 |
| 8940250 |
Method of conveying liquids |
Willi Gilcher, Juergen Morell |
2015-01-27 |
| 8828267 |
Use of a stereoisomer mixture of diaminomethylcyclohexane as a hardener for epoxy resins |
Daniela Malkowsky, Stephan Goettke |
2014-09-09 |
| 8822718 |
Process for preparing isocyanates by thermally cleaving carbamates |
Michael Bock, Eckhard Stroefer, Robert Baumann, Axel Franzke |
2014-09-02 |
| 7994361 |
Moderate-pressure gas phase phosgenation |
Andreas Woelfert, Christian Mueller, Eckhard Stroefer, Markus Weber, Carsten Knoesche |
2011-08-09 |
| 7084297 |
Production of isocyanates in the gaseous phase |
Andreas Woelfert, Christian Mueller, Eckhard Stroefer, Markus Weber, Carsten Knoesche |
2006-08-01 |
| 6790995 |
Preparation of primary and secondary amines from nitriles |
Michael Hullmann, Arthur Hohn, Frank Funke, Frank Ohlbach, Till Gerlach |
2004-09-14 |
| 6750365 |
Thermal dissociation of allophanates |
Gerhard Laqua, Matthias Klotzer, Volker Krase, Peter Pfab, Andreas Schmidt |
2004-06-15 |
| 6723880 |
Preparation of secondary amines from primary amines |
Peter Neumann, Johann-Peter Melder, Christoph Benisch, Arthur Hohn |
2004-04-20 |
| 6592832 |
Method for producing highly pure lithium salts |
Holger Friedrich, Bernd Leutner |
2003-07-15 |
| 6576788 |
METHOD FOR PRODUCING MIXTURES CONSISTING OF DIPHENYLMETHANE DIISOCYANATES AND POLYPHENYLENE-POLYMETHYLENE-POLYISOCYANATES CONTAINING A REDUCED AMOUNT OF CHLORINATED SECONDARY PRODUCTS AND WITH A REDUCED IODINE COLOR INDEX |
Ulrich Penzel, Volker Scharr, Dieter Starosta, Hilmar Boesel, Eckhard Ströfer +8 more |
2003-06-10 |
| 6525223 |
Preparation of secondary amines from nitriles |
Michael Hullmann, Arthur Hohn, Frank Funke, Frank Ohlbach, Till Gerlach |
2003-02-25 |
| 6403845 |
Preparation of pentanediols from alkoxydihydropyrans |
Peter Wahl, Jan Nouwen, Karsten Eller, Arthur Hohn, Jürgen Hunger |
2002-06-11 |
| 5788743 |
Selective separation and recovery of chlorine from gas mixtures |
Otto Watzenberger |
1998-08-04 |
| 5785819 |
Distillation column for separating a liquid mixture into a plurality of pure fractions |
Gerd Kaibel, Manfred Stroezel |
1998-07-28 |
