Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012571 | Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units | Yufeng Liu, Stephen A. Johnson, Kristopher J. Derks | 2011-09-06 |