Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6225021 | Photopolymerizable composition based on polyiso(thio)cyanate monomers and on monomers with a labile proton, comprising a photoinitiating agent and an agent for activating the photopolymerization and optical articles obtained | Gilles Widawski, Leanirith Yean | 2001-05-01 |