Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7307170 | Epindolidione pigments | Bansi Lal Kaul, Bruno Piastra, Frank Prokschy, Martin Schmidt | 2007-12-11 |
| 6540820 | Heterocyclic compounds | Bansi Lal Kaul, Bruno Piastra | 2003-04-01 |
| 6472527 | Process for the preparation of thiazine-indigo compounds and of new intermediates therefor | Till Borchert, Bansi Lal Kaul, Bruno Piastra | 2002-10-29 |
| 6375732 | Pigments, the process of their manufacturing and their use | Bansi Lal Kaul, Bruno Piastra | 2002-04-23 |