Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436538 | Nitrogen doped carbon-coated effect pigments and their manufacture | Ryuichi Takahashi, Adrian Schulthess, Kimiya Takeshita, Patrice Bujard | 2002-08-20 |
| 6369147 | Color effect pigments and method of forming the same | Jack Polonka, Patrice Bujard, Natacha Bonnard Pillonel | 2002-04-09 |