Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506322 | Naphthopyrans annelated in C5-C6 with an indene- or dihydronaphthalene-type carbocycle, and compositions and (co)polymer matrices containing them | Olivier Breyne, You-Ping Chan | 2003-01-14 |
| 6506538 | Naphthopyrans annelated in C5-C6, their preparation and compositions and (co)polymer matrices containing them | Olivier Breyne, You-Ping Chan | 2003-01-14 |