Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649758 | Preparation of trans-thiazineindigo pigments | Petra Rothe, Leonhard Unverdorben | 2003-11-18 |
| 6638996 | Pigment for warpage-free polyolefins coloration | Bansi Lal Kaul, Till Borchert | 2003-10-28 |
| 6540820 | Heterocyclic compounds | Bansi Lal Kaul, Valérie Wolf | 2003-04-01 |
| 6515123 | Triphendioxazine pigments, intermediates, their method of making and uses thereof | Bansi Lal Kaul, Pascal Steffanut | 2003-02-04 |
| 6512115 | Preparation of pigments | Bansi Lal Kaul, Pascal Steffanut | 2003-01-28 |