Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4745207 | Preparation of the reaction products of hydrogen cyanide | Karlheinz Stecher, Michael Kroener, Rolf Schneider | 1988-05-17 |
| 4693877 | Cleavage of formamide to give hydrocyanic acid and water | Ubbo Oehsen, Karlheinz Stecher, Waldemar Koehler, Berthold Mueller, Rolf Schneider | 1987-09-15 |
| 4687848 | Preparation of 2-aminopyrazines and pyrazines | Michael Kroener | 1987-08-18 |
| 4623699 | Preparation of linear, basic polymer powders | Michael Kroner, Heinrich Hartmann, Friedrich Linhart, Klaus Pfitzner | 1986-11-18 |
| 4560756 | 2-Aminopyrazines and the preparation of 2-aminopyrazines and pyrazines | Michael Kroener | 1985-12-24 |
| 4543215 | .alpha.-iminodiacetonitriles and their preparation | Michael Kroener | 1985-09-24 |
| 4451339 | Preparation of blue iron hexacyanoferrate-III pigments, and the pigments obtained | Joachim Kranz, Wolfgang Habermann, Harry Distler, Helmut Knittel, Karl-Ludwig Hock +1 more | 1984-05-29 |
| 4421602 | Linear basic polymers, their preparation and their use | Rolf Schneider, Michael Kroener, Hans Mueller, Friedrich Linhart | 1983-12-20 |