Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444860 | Naphthopyrans and phenanthropyrans annelated in C5-C6 with a bicyclic group, and compositions and (co) polymer matrices containing them | Patrick Jean | 2002-09-03 |
| 6426023 | Benzopyrans annelated in C7-C8 with an aromatic heterocycle and compositions and (CO)polymer matrices containing them | Olivier Breyne, Patrick Jean | 2002-07-30 |
| 6410754 | Photochromic spiropyrans, and compositions and articles containing same | Gerard Soula | 2002-06-25 |
| 6398987 | Naphthopyrans having a perfluoroalkyl substituent in position 5, preparation and compositions and matrices containing them | Olivier Breyne, Patrick Jean | 2002-06-04 |
| 6399791 | Naphthopyran derivatives, compositions and (co) polymer matrices containing same | Olivier Breyne | 2002-06-04 |