Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7686883 | C.I. pigment blue 80-based blue dye | Sven Antes, Herbert Graf, Magali Meder | 2010-03-30 |
| 6762299 | Mixed crystals of benzimidazolonedioxazine compounds | Martin Schmidt, Carsten Plueg, Roland Born | 2004-07-13 |
| 6620931 | Process for preparing new crystal polymorphs of a methyl-substituted benzimidazolone-dioxazine pigment | Martin Schmidt, Roland Born | 2003-09-16 |
| 6617453 | Triphendioxazine compounds | Bansi Lal Kaul, Patrick Boeglin | 2003-09-09 |
| 6359131 | Process for preparing dioxazine compounds | Gert Nagl, Wolfgang Bauer | 2002-03-19 |
| 6355795 | Triphendioxazine compounds | Patrick Boeglin, Bansi Lal Kaul | 2002-03-12 |
| 6255482 | Triphendioxazine compounds | Patrick Boeglin, Bansi Lal Kaul | 2001-07-03 |
| 6162261 | Triphendioxazine | Bansi Lal Kaul | 2000-12-19 |
| 5565563 | Triphendioxazine compounds | Bansi Lal Kaul | 1996-10-15 |