Issued Patents All Time
Showing 25 most recent of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221402 | Method for the production of ethyleneamines | Barbara BECKER, Thomas Heidemann, Regine Helga Bebensee, Eva Koch, Johann-Peter Melder +2 more | 2025-02-11 |
| 11753364 | Method for producing C2-C4 mono alkanol amines using an acid cation exchanger as a catalyst | Christian Gruenanger, Gabriele Iffland, Zeljko Kotanjac, Thomas Krug, Jian Yi +1 more | 2023-09-12 |
| 11492324 | Method for the production of ethyleneamines | — | 2022-11-08 |
| 11390578 | Method for synthesizing amines | Martin Ernst, Ansgar Gereon Altenhoff | 2022-07-19 |
| 11339117 | Method for the production of ethyleneamines | — | 2022-05-24 |
| 11225455 | Separation of n-methylethylenediamine from EDA-containing mixtures | — | 2022-01-18 |
| 11214535 | Method for producing ethyleneamines | Regine Helga Bebensee, Thomas Heidemann, Barbara BECKER, Eva Koch, Johann-Peter Melder | 2022-01-04 |
| 11208373 | Method for the production of ethyleneamines | Thomas Heidemann, Barbara BECKER, Eva Koch, Johann-Peter Melder | 2021-12-28 |
| 11021434 | Method for producing ethyleneamines | — | 2021-06-01 |
| 10941092 | Hydroformylation process for producing 1,6-hexanediol derivatives | Marek Pazicky, Martin Ernst, Nicolas MARION, Rocco Paciello, Johann-Peter Melder | 2021-03-09 |
| 9914693 | Process for preparing EDA using SO2-free hydrocyanic acid | Stephanie Jaegli, Michael Lorenz, Gordon Brasche, Markus Jegelka, Barbara BECKER +4 more | 2018-03-13 |
| 9890113 | Method for continuous production of adiponitrile | Rolf Fischer, Robert Baumann, Veronika Wloka | 2018-02-13 |
| 9828329 | Method for the distillative purification of EDA | Stephanie Jaegli, Michael Lorenz, Gordon Brasche, Markus Jegelka, Barbara BECKER +4 more | 2017-11-28 |
| 9822067 | Method for purifying adipodinitrile (ADN) | Peter Pfab, Tim Jungkamp | 2017-11-21 |
| 9493405 | Method for producing linear pentenenitrile | Tim Jungkamp, Robert Baumann, Michael Bartsch, Gerd Haderlein, Jens Scheidel +5 more | 2016-11-15 |
| 9446960 | Process for ion exchange on zeolites | William Todd Owens | 2016-09-20 |
| 9249029 | Single chamber vaporizer and use thereof in chemical synthesis | Ralf Boehling, Michael Schipper, Stefan Birnbach, Peter Petersen, Achim Gritsch +3 more | 2016-02-02 |
| 9096497 | Process for preparing EDDN and EDMN | Sebastian Ahrens, Gordon Brasche, Jens Baldamus, Robert Baumann, Randolf Hugo +4 more | 2015-08-04 |
| 9012638 | Process for preparing EDDN and/or EDMN by conversion of FACH and EDA | Sebastian Ahrens, Gordon Brasche, Jens Baldamus, Robert Baumann, Randolf Hugo +4 more | 2015-04-21 |
| 8952156 | Process for working up reaction outputs from the hydrogenation of EDDN or EDMN | Sebastian Ahrens, Gordon Brasche, Jens Baldamus, Robert Baumann, Randolf Hugo +4 more | 2015-02-10 |
| 8946459 | Process for preparing EDDN and/or EDMN by reacting EDFA and/or EDMFA with HCN | Sebastian Ahrens, Gordon Brasche, Jens Baldamus, Robert Baumann, Randolf Hugo +4 more | 2015-02-03 |
| 8772527 | Process for isomerization of cis-2-pentenenitrile to 3-pentenenitriles | Rolf Fischer, Alfred Oftring, Robert Baumann | 2014-07-08 |
| 8530690 | Process for isomerizing CIS-2-pentenenitrile to 3-pentenenitriles | Peter Pfab, Robert Baumann, Andreas Leitner, Tobias Aechtner | 2013-09-10 |
| 8410299 | Method for producing linear pentenenitrile | Tim Jungkamp, Robert Baumann, Michael Bartsch, Gerd Haderlein, Jens Scheidel +5 more | 2013-04-02 |
| 8278474 | Method for the separation of pentenenitrile isomers | Tim Jungkamp, Robert Baumann, Michael Bartsch, Gerd Haderlein, Jens Scheidel | 2012-10-02 |