Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8535870 | Organic pigments for colour filters | Ulrich Feldhues, Frank Linke, Dirk Pfuetzenreuter, 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, Sabine Endert, Dirk Pfuetzenreuter | 2013-08-20 |
| 8114558 | Organic pigments for colour filters | Ulrich Feldhues, Frank Linke, Dirk Pfuetzenreuter, Udo Herrmann | 2012-02-14 |
| 7682444 | Process for preparing pigments | Ulrich Feldhues, Frank Linke | 2010-03-23 |
| 7255737 | Organic formulations of pigment | Ulrich Feldhues, Frank Linke | 2007-08-14 |
| 6881830 | Metal complexes | Ulrich Feldhues, Frank Linke, Udo Herrmann, Sabine Endert | 2005-04-19 |
| 6448385 | Continuous process for preparing metal complex pigments | Udo Herrmann, Lothar Weismantel, Frank Linke, Bernhard Krumbach, Wolfgang Frank | 2002-09-10 |
| 6211346 | Metal complex pigments | Frank Linke, Kent Faubion, Udo Herrmann, Dirk Pfutzenreuter | 2001-04-03 |