Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7307170 | Epindolidione pigments | Bansi Lal Kaul, Valérie Wolf, Frank Prokschy, Martin Schmidt | 2007-12-11 |
| 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 |
| 6482817 | Hybrid pigments | Bansi Lal Kaul, Carsten Plug, Pascal Steffanut, Roland Born | 2002-11-19 |
| 6472527 | Process for the preparation of thiazine-indigo compounds and of new intermediates therefor | Till Borchert, Bansi Lal Kaul, Valérie Wolf | 2002-10-29 |
| 6375732 | Pigments, the process of their manufacturing and their use | Bansi Lal Kaul, Valérie Wolf | 2002-04-23 |
| 6339084 | Process for the production of thiazine-indigo pigments | Bansi Lal Kaul | 2002-01-15 |
| 6277536 | Heterocyclic compounds | Bansi Lal Kaul, Jean Christoph Graciet | 2001-08-21 |
| 6214989 | Triphendioxazine pigments | Bansi Lal Kaul | 2001-04-10 |
| 6200378 | Thiazine indigo pigments, solid solutions thereof and their preparation | Bansi Lal Kaul | 2001-03-13 |
| 6046335 | Heterocyclic compounds | Patrick Boeglin, Bansi Lal Kaul | 2000-04-04 |