Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11111327 | Cast-molding process for producing UV-absorbing contact lenses | Ryan DeSousa, Frank Chang | 2021-09-07 |
| 11061169 | Contact lens with phosphorylcholine-modified polyvinylalcohols therein | Frank Chang, Houliang Tang, Adam K. Sniady | 2021-07-13 |
| 11001647 | Soft silicone medical devices | Frank Chang, Xinming Qian, Robert Scott, Joseph Michael Lindacher, Uwe Haken | 2021-05-11 |
| 10962803 | Contact lenses with a lubricious coating thereon | Steve Yun Zhang, Daqing Wu, Richard Charles Breitkopf, Weihong Lang, Junhao Ge +3 more | 2021-03-30 |
| 10920099 | Poly(meth)acrylamide-based copolymers with carboxyl-terminated pendant chains | Frank Chang, Feng Jing, Chung-Yuan Chiang, John Dallas Pruitt | 2021-02-16 |
| 10906258 | Cast-molding process for producing contact lenses | Frank Chang, Ryan DeSousa | 2021-02-02 |