Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002888 | Phenylpyrazolone colorant | Arpad Acs, Ruediger Jung, Steffen Schneider | 2011-08-23 |
| 7824488 | Pigment composition based on C.I. pigment yellow 191 | Martin Schmidt, Arpad Acs, Ruediger Jung | 2010-11-02 |
| 6638996 | Pigment for warpage-free polyolefins coloration | Bansi Lal Kaul, Bruno Piastra | 2003-10-28 |
| 6472527 | Process for the preparation of thiazine-indigo compounds and of new intermediates therefor | Bansi Lal Kaul, Bruno Piastra, Valérie Wolf | 2002-10-29 |