Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9822067 | Method for purifying adipodinitrile (ADN) | Hermann Luyken, Peter Pfab | 2017-11-21 |
| 9493405 | Method for producing linear pentenenitrile | Robert Baumann, Michael Bartsch, Gerd Haderlein, Hermann Luyken, Jens Scheidel +5 more | 2016-11-15 |
| 8410299 | Method for producing linear pentenenitrile | Robert Baumann, Michael Bartsch, Gerd Haderlein, Hermann Luyken, Jens Scheidel +5 more | 2013-04-02 |
| 8278474 | Method for the separation of pentenenitrile isomers | Robert Baumann, Michael Bartsch, Gerd Haderlein, Hermann Luyken, Jens Scheidel | 2012-10-02 |
| 7816551 | Method for producing dinitriles | Robert Baumann, Michael Bartsch, Gerd Haderlein, Hermann Luyken, Jens Scheidel | 2010-10-19 |
| 7781608 | Production of 3-pentenenitrile from 1,3-butadiene | Jens Scheidel, Michael Bartsch, Gerd Haderlein, Robert Baumann, Hermann Luyken | 2010-08-24 |
| 7777068 | Ni(0) -containing catalyst system | Michael Bartsch, Robert Baumann, Dagmar Pascale Kunsmann-Keitel, Gerd Haderlein, Marco Altmayer +1 more | 2010-08-17 |
| 7709675 | Continuous method for the production of linear pentene nitriles | Michael Bartsch, Robert Baumann, Gerd Haderlein, Jens Scheidel, Hermann Luyken | 2010-05-04 |
| 7700795 | Use of azeotropically dried nickel(ii) halogenides | Gerd Haderlein, Robert Baumann, Michael Bartsch, Hermann Luyken, Jens Scheidel +2 more | 2010-04-20 |
| 7671229 | Method for the production of pentene nitriles from n-butane | Michael Bartsch, Robert Baumann, Gerd Haderlein, Gotz-Peter Schindler, Hermann Luyken +2 more | 2010-03-02 |
| 7612224 | Isomerisation of cis-2-pentenenitrile to form 3-pentenenitrile in a reactive distillation | Jens Scheidel, Michael Bartsch, Gerd Haderlein, Robert Baumann, Hermann Luyken | 2009-11-03 |
| 7566800 | Homogeneous isomerization of cis-2-pentene nitrile to form 3-pentene nitrile | Jens Scheidel, Christian Miller, Robert Baumann, Michael Bartsch, Gerd Haderlein +3 more | 2009-07-28 |
| 7550407 | System suitable for the hydrocyanation of olefinically unsaturated compounds | Michael Bartsch, Robert Baumann, Gerd Haderlein, Miquel Angel Flores, Hermann Luyken +3 more | 2009-06-23 |
| 7541486 | Method for producing 3-pentenenitrile | Jens Scheidel, Michael Bartsch, Gerd Haderlein, Robert Baumann, Hermann Luyken | 2009-06-02 |
| 7538240 | Method for the hydrocyanation of butadiene | Robert Baumann, Michael Bartsch, Gerd Haderlein, Hermann Luyken, Jens Scheidel | 2009-05-26 |
| 7528275 | Method for the production of adipodinitrile by hydrocyanation of 1,3-butadiene | Michael Bartsch, Robert Baumann, Gerd Haderlein, Miguel Flores, Hermann Luyken +2 more | 2009-05-05 |
| 7521575 | Sterically hindered chelate phosphinite-phosphite ligand, catalyst, comprising at least one nickel(0) complex stabilized by said ligand and method for production of nitriles | Michael Bartsch, Robert Baumann, Gerd Haderlein, Miquel Angel Flores, Hermann Luyken +2 more | 2009-04-21 |
| 7504529 | Method for hydrocyanation | Hans-Martin Polka, Robert Baumann, Michael Bartsch, Gerd Haderlein, Hermann Luyken +1 more | 2009-03-17 |
| 7462263 | Method for purifying hydrocyanic acid | Michael Bartsch, Robert Baumann, Gerd Haderlein, Miquel Angel Flores, Hermann Luyken +4 more | 2008-12-09 |
| 7439381 | Hydrocyanation method | Dagmar Pascale Kunsmann-Keitel, Michael Bartsch, Robert Baumann, Gerd Haderlein, Hermann Luyken +1 more | 2008-10-21 |
| 7407643 | Process for removing water from a mixture containing water and zinc chloride | Jens Scheidel, Hermann Luyken, Michael Bartsch, Robert Baumann, Gerd Haderlein | 2008-08-05 |
| 7361778 | Method for the isomerization of cis-2-pentenenitrile to form trans-3-pentenenitrile | Michael Bartsch, Robert Baumann, Gerd Haderlein, Miquel Angel Flores, Hermann Luyken +3 more | 2008-04-22 |
| 7345006 | Catalyst system containing Ni(0) for hydrocyanation | Michael Bartsch, Robert Baumann, Dagmar Pascale Kunsmann-Keitel, Gerd Haderlein, Marco Altmayer +1 more | 2008-03-18 |
| 7084294 | Method for the recycling of a Lewis acid | Jens Scheidel, Hermann Luyken, Michael Bartsch, Robert Baumann, Gerd Haderlein | 2006-08-01 |
| 7067685 | Phosphonites, use thereof as ligand in transition metal complexes and method for production of nitriles | Michael Bartsch, Robert Baumann, Dagmar Pascale Kunsmann-Keitel, Gerd Haderlein, Marco Altmayer +2 more | 2006-06-27 |