Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702825 | Low yellow index polymer compositions, polymerizable compositions and lenses using said compositions | Gabriel Keita, Leanirith Yean | 1997-12-30 |
| 5545828 | Low yellow index polymer compositions, polymerizable compositions and lenses using said compositions | Gabriel Keita | 1996-08-13 |
| 5442022 | Low yellow index polymer compositions, polymerisable compositions and lenses using said compositions | Gabriel Keita | 1995-08-15 |