Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426023 | Benzopyrans annelated in C7-C8 with an aromatic heterocycle and compositions and (CO)polymer matrices containing them | You-Ping Chan, Patrick Jean | 2002-07-30 |
| 6398987 | Naphthopyrans having a perfluoroalkyl substituent in position 5, preparation and compositions and matrices containing them | You-Ping Chan, Patrick Jean | 2002-06-04 |
| 6399791 | Naphthopyran derivatives, compositions and (co) polymer matrices containing same | You-Ping Chan | 2002-06-04 |
| 6392043 | [Indole]naphthopyrans, preparation, compositions and (co)polymer matrices containing them, synthesis intermediates | Konstantine Bourchteine | 2002-05-21 |
| 6379591 | Naphthopyrans annelated in C5-C6 with a lactam-type C6 ring and compositions and (co)polymer matrices containing them | — | 2002-04-30 |