Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |