Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10100219 | Azetidinium-containing copolymers and uses thereof | Troy Vernon Holland, Frank Chang, Yongxing Qiu, John Dallas Pruitt, Chung-Yuan Chiang +2 more | 2018-10-16 |
| 9950483 | Method for determining the surface concentration of carboxyl groups on a lens | Xinming Qian, Frank Chang, Troy Vernon Holland, Yongxing Qiu | 2018-04-24 |
| 9921340 | Water-processable silicone-containing prepolymers and uses thereof | Jinyu Huang, Frank Chang, Robert Scott, Arturo Norberto Medina, Selma Kuyu +2 more | 2018-03-20 |