Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11485703 | Process for manufacturing a complexing agent | Thomas Schmidt, Marta Reinoso Garcia, Verena Mormul, Michael Klemens MUELLER, Frank Jaekel +1 more | 2022-11-01 |
| 11028350 | Powders and granules and process for making such powders and granules | Michael Klemens MUELLER, Frank Jaekel, Carsten SUELING | 2021-06-08 |
| 10519097 | Process for making mixtures of chelating agents | Thomas Schmidt, Christopher Henry Orr, Jeremy T Manning | 2019-12-31 |
| 10421711 | Process for making a crystalline alkali metal salt of a complexing agent, and crystalline complexing agent | Constanze Franzke, Axel Franzke, Markus Hartmann, Robert Baumann | 2019-09-24 |
| 9873659 | Solutions of trialkali metal salts of MGDA with an excess of L-enantiomer, their manufacture and use | Marta Reinoso Garcia, Constanze Franzke | 2018-01-23 |
| 8455682 | Method for the production of aminodicarboxylic acid-N,N-diacetic acids | Alfred Oftring, Friedrich Wirsing, Gerold Braun | 2013-06-04 |
| 7671234 | Method for producing methylglycine-N,N-diethanoic acid-trialkali metal salts with a low by-product content | Alfred Oftring, Gerold Braun, Friedrich Wirsing, Kai-Uwe Baldenius | 2010-03-02 |
| 7482481 | Method for producing isocyanates | Thorsten Rohde, Jochem Henkelmann | 2009-01-27 |
| 7211689 | Method for production of isocyanates | Thorsten Rohde, Jochem Henkelmann | 2007-05-01 |
| 7078574 | Method for the intrinsically safe handling of 3-chloropropyne | Heinz-Josef Kneuper, Stefan Rittinger, Peter Dransfeld, Hans-Peter Schildberg, Manfred Heilig +1 more | 2006-07-18 |
| 7064233 | Method for producing isocyanates | Thorsten Rohde, Jochem Henkelmann | 2006-06-20 |
| 7034181 | Method for producing o-chloromethyl benzoic acid chlorides | Roland Götz, Norbert Gotz, Michael Keil, Bernd Wolf, Adrian Steinmetz +1 more | 2006-04-25 |
| 6891045 | Method for producing carbonyldiimidazole | Jochem Henkelmann | 2005-05-10 |
| 6770783 | Method for producing acid chlorides | Ralph Busch, Heinz-Josef Kneuper, Theodor Weber, Winfried Müller, Jochem Henkelmann | 2004-08-03 |
| 6740726 | Polyisocyanates as coating components for coating means rich in solids | Jochem Henkelmann, Heiko Maas, Gerhard Schulz, Heinz-Peter Rink, Werner-Alfons Jung +1 more | 2004-05-25 |
| 6734322 | Method for producing o-chloromethyl benzenecarbonyl chlorides | Roland Götz, Norbert Gotz, Jochem Henkelmann, Heinz-Josef Kneuper, Bernd Wolf | 2004-05-11 |
| 6727384 | Method for purifying acid chlorides | Ralph Busch, Heinz-Josef Kneuper, Theodor Weber, Winfried Müller, Jochem Henkelmann | 2004-04-27 |
| 6727385 | Method for producing o-chloromethyl benzoic acid chlorides | Roland Götz, Norbert Gotz, Michael Keil, Bernd Wolf, Adrian Steinmetz +1 more | 2004-04-27 |
| 6710157 | Polycarbamates and method for the production thereof | Jochem Henkelmann, Heiko Maas, Heinz-Peter Rink, Werner-Alfons Jung | 2004-03-23 |
| 6683204 | Method for producing monoisocyanates and oligoisocyanates | Heinz-Josef Kneuper, Lucien Thil, Jochem Henkelmann | 2004-01-27 |
| 6433224 | Method for producing carboxylic acid chlorides | Jochem Henkelmann | 2002-08-13 |
| 6410744 | Carbonyldiimidazoles, their ester derivatives and method for their production | Manfred Julius, Alois Kindler, Michael Henningsen, Jörg Botzem | 2002-06-25 |
| 6353115 | Method for producing carbonyl diimidazoles | Jochem Henkelmann | 2002-03-05 |
| 6353127 | &agr;-chloronitriles production method | Jakob Fischer, Jochem Henkelmann, Wolfgang Siegel | 2002-03-05 |
| 6337425 | Method for chlorinating ketones | Jochem Henkelmann | 2002-01-08 |