Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8772547 | Method for producing 1-adamantyl trimethylammonium hydroxide | Christof Wilhelm Wigbers, Martin Ernst, Laszlo Szarvas, Giovanni D'Andola, Ellen Dahlhoff +3 more | 2014-07-08 |
| 8344141 | Pentasil-structure zeolithic material the production and use thereof | Marco Bosch, Ulrich Müller | 2013-01-01 |
| 7902102 | Pentasil-structuer zeolithic material the production and use thereof | Marco Bosch, Ulrich Müller | 2011-03-08 |
| 7872131 | Method for producing a solution of pure triethylenediamine (TEDA) | Ortmund Lang | 2011-01-18 |
| 7754139 | Method for preparing triethylenediamine (TEDA) | Marco Bosch, Bernd Stein, Ulrich Müller | 2010-07-13 |
| 7601875 | Method for producing ethyleneamines | Holger Evers, Johann-Peter Melder, Roderich Röttger, Markus Siegert, Till Gerlack +2 more | 2009-10-13 |
| 7582583 | Shaped body containing a microporous material and at least one silicon-containing binder, method for the production thereof and its use as a catalyst, particularly in a method for producing triethylenediamine (TEDA). | Marco Bosch, Milan Kostur, Otto Hofstadt | 2009-09-01 |
| 7393978 | Method for producing ethylene-amines | Thomas Krug, Holger Evers, Johann-Peter Melder, Roderich Röttger, Markus Siegert +4 more | 2008-07-01 |
| 7345173 | Work-up of the mother liquor obtained in the preparation of high-purity triethylenediamine | Ortmund Lang, Bernd Rumpf, Dirk Funhoff, Thomas Manderbach, Bernd Stein | 2008-03-18 |
| 7279602 | Method for separating triethanolamin from a mixture obtainable by ammonia and ethylene oxide reaction | Wolfgang Reif, Hans Hammer, Guenther Ruider, Anton Meier, Philip Buskens | 2007-10-09 |
| 7271292 | Process for distillatively removing piperazine from an ethylenediamine-piperazine mixture | Michael Jödecke, Ortmund Lang, Gunther van Cauwenberge | 2007-09-18 |
| 7151177 | Process for the preparation of highly pure triethylene diamine | Ortmund Lang, Bernd Rumpf, Thomas Manderbach, Bernd Stein | 2006-12-19 |
| 7132538 | Isolation of high-purity triethylenediamine (TEDA) by distillation | Ortmund Lang, Bernd Rumpf, Marco Bosch, Helmut Berrsche, Anton Meier | 2006-11-07 |
| 7119231 | Method for producing alkanolamines | Ulrich Müller, Wolfgang Harder, Jörg Unger, Johann-Peter Melder, Anton Meier +1 more | 2006-10-10 |
| 7115742 | Process for the preparation of triethylenediamine (TEDA) from ethylenediamine | Bernd Stein | 2006-10-03 |
| 7074926 | Decoloration and color stabilization of TEDA solution | Jurgen Ciprian, Stephan Maurer, Johann-Peter Melder | 2006-07-11 |
| 6958397 | Method of selectively synthesizing triethylenediamine | Bernd Stein, Ortmund Lang | 2005-10-25 |
| 6576796 | Process for the preparation of alkylamines | Frank Funke, Ulrich Steinbrenner, Ralf Böhling, Johann-Peter Melder, Thomas Heidemann | 2003-06-10 |
| 6562971 | Process for the preparation of triethylenediamine (TEDA) | Bernd Stein | 2003-05-13 |
| 6555688 | Method for the production of triethylene diamine making use of ethylene diamine | Werner Klockemann, Erich Frauendorfer, Bernd Stein | 2003-04-29 |
| 6552194 | Process for the preparation of pure triethylenediamine (TEDA) | Ortmund Lang, Bernd Rumpf, Dirk Funhoff, Thomas Manderbach, Bernd Stein | 2003-04-22 |
| 6365740 | Preparation of 2-methyl-4-amino-5-aminomethylpyrimidine | Hansgeorg Ernst, Johann-Peter Melder, Frank Funke, Andreas Keller | 2002-04-02 |