Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11279709 | Specifically substituted aza-dibenzofurans and aza-dibenzothiophenes for organic electronic devices | Annemarie Wolleb, Heinz Wolleb, Hideaki Nagashima, Takushi SHIOMI | 2022-03-22 |
| 10249827 | Azadibenzofurans for electronic applications | Annemarie Wolleb, Thomas Schaefer, Heinz Wolleb, Ute Heinemeyer, Nicolle Langer +5 more | 2019-04-02 |
| 8822702 | Synthesis of amines and intermediates for the synthesis thereof | Ulrich Berens, Daniel Sprenger | 2014-09-02 |
| 8710093 | Synthesis of amines and intermediates for the synthesis thereof | Ulrich Berens, Daniel Sprenger | 2014-04-29 |
| 7968730 | Synthesis of amines and intermediates for the synthesis thereof | Ulrich Berens, Daniel Sprenger | 2011-06-28 |
| 7786156 | Synthesis methods and intermediates for the manufacture of Rizatriptan | Pierre Martin, Ulrich Berens, Andreas Boudier | 2010-08-31 |
| 7645886 | Synthesis of amines and intermediates for the synthesis thereof | Ulrich Berens, Daniel Sprenger | 2010-01-12 |
| 6809208 | 3-Arylbenzofuranones with electron-withdrawing substituents as stabilizers | Michael Tinkl, Peter Nesvadba, Martin Wolff, Bruno Rotzinger, Dietmar Mäder | 2004-10-26 |