Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6558583 | Naphthopyrans annelated in C5-C6 with a dihydrobenzo-cycloheptatriene-type carbocycle and compositions and matrices containing them | Olivier Breyne, You-Ping Chan | 2003-05-06 |