Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9663660 | Metal azo pigments | Stephan Michaelis, Frank Linke, Heinz-Josef Fuellman, Hans-Ulrich Borst, Sabine Endert | 2017-05-30 |
| 8932786 | Metal azo pigments and pigment preparations produced therefrom | Hans-Ulrich Borst, Frank Linke, Heinz-Josef Fuellmann, Stephan Michaelis, Sabine Endert | 2015-01-13 |
| 8535870 | Organic pigments for colour filters | Ulrich Feldhues, Frank Linke, Ronald Gobel, Udo Herrmann | 2013-09-17 |
| 8512823 | Process for preparing metal compounds of an azo compound in the presence of seed crystals | Ulrich Feldhues, Frank Linke, Ronald Gobel, Sabine Endert | 2013-08-20 |
| 8323357 | Fluorine-substituted perylenes for colour filters in LCDS | Ulrich Feldhues, Frank Linke, Stephan Michaelis | 2012-12-04 |
| 8114558 | Organic pigments for colour filters | Ulrich Feldhues, Frank Linke, Ronald Gobel, Udo Herrmann | 2012-02-14 |
| 5491235 | Process for the preparation of organic pigments | Margot Campos, Guenter Franke, Michael J. Greene | 1996-02-13 |