Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6261354 | Pigmentary azo composition, preparation method and use | Frank Vermoortele | 2001-07-17 |
| 5413632 | Organic pigments, process for their preparation and use in paints | Frank Vermoortele | 1995-05-09 |