Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002888 | Phenylpyrazolone colorant | Till Borchert, Ruediger Jung, Steffen Schneider | 2011-08-23 |
| 7824488 | Pigment composition based on C.I. pigment yellow 191 | Till Borchert, Martin Schmidt, Ruediger Jung | 2010-11-02 |
| 6602342 | Crystal polymorphs of C.I. Pigment Yellow 191 and their preparation | Martin Schmidt, Rudiger Jung, Franz Schui | 2003-08-05 |
| 6479569 | Safer pigment preparations | Rudiger Jung, Klaus Saitmacher | 2002-11-12 |
| 5808116 | Process for the preparation of triphenylemethane coloring agents | Hans-Josef Remsperger, Jurgen Berger | 1998-09-15 |