Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464772 | Bismuth-based pigments and process for their manufacture | Frank Vermoortele | 2002-10-15 |
| 6458197 | Heat resistant bismuth vanadate pigment and process for its manufacture | Frank Vermoortele | 2002-10-01 |
| 5693136 | Bismuth vanadate pigments and processes for producing the same | Frank Vermoortele | 1997-12-02 |
| 5399197 | Bismuth phosphovanadate and/or bismuth silicovanadate based yellow pigments and processes of manufacturing thereof | Frank Vermoortele | 1995-03-21 |