Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351688 | Hydrophilized polydiorganosiloxane vinylic crosslinkers | Frank Chang, Houliang Tang, Adam K. Sniady | 2025-07-08 |
| 11952449 | Poly(meth)acrylamide-based copolymers with carboxyl-terminated pendant chains | Frank Chang, Feng Jing, Chung-Yuan Chiang, John Dallas Pruitt | 2024-04-09 |
| 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 |
| RE48302 | Embolic compositions | Dennis W. Goupil, Hassan Chaouk, Bruktawit Asfaw, Stephen D. Goodrich, Lucas Latini | 2020-11-10 |
| 10829574 | Hydrophilic copolymer with pendant thiol groups | Frank Chang, Feng Jing, Ryan DeSousa | 2020-11-10 |
| 10823983 | UV-absorbing vinylic monomers and uses thereof | Frank Chang, Ryan DeSousa, John Dallas Pruitt, Jared Nelson | 2020-11-03 |
| 10676608 | Phosphorylcholine-containing poly(meth)acrylamide-based copolymers | Frank Chang, Feng Jing, Chung-Yuan Chiang, John Dallas Pruitt | 2020-06-09 |
| 10618986 | Hydrophilic copolymer with pendant thiol groups | Frank Chang, Feng Jing, Ryan DeSousa | 2020-04-14 |
| 10611923 | Azetidinium-containing copolymers and uses thereof | Frank Chang, Yongxing Qiu, John Dallas Pruitt, Chung-Yuan Chiang, Venkat Shankar +2 more | 2020-04-07 |
| 10597479 | Amphiphilic branched polydiorganosiloxane macromers | Frank Chang, Jinyu Huang | 2020-03-24 |
| RE47873 | Embolic compositions | Dennis W. Goupil, Hassan Chaouk, Bruktawit Asfaw, Stephen D. Goodrich, Lucas Latini | 2020-02-25 |
| 10472319 | Water-soluble UV-absorbing compounds and uses thereof | Frank Chang, Ryan DeSousa, Walter R. Laredo | 2019-11-12 |
| 10324311 | Visible-light photoinitiators and uses thereof | Frank Chang, Ryan DeSousa | 2019-06-18 |
| 10322993 | Water-soluble UV-absorbing compounds and uses thereof | Frank Chang, Ryan DeSousa, Walter R. Laredo | 2019-06-18 |
| 10287370 | Hydrophilic copolymer with one thiol-containing terminal group | Frank Chang, Thomas M. Moy | 2019-05-14 |
| 10266445 | Method for producing contact lenses with durable lubricious coatings thereon | Bradley Quinter, Yash Kapoor | 2019-04-23 |
| 10268053 | UV/visible-absorbing vinylic monomers and uses thereof | Frank Chang, Walter R. Laredo, Xuwei Jiang, Ryan DeSousa | 2019-04-23 |
| 10254567 | UV-absorbing vinylic monomers and uses thereof | Frank Chang, Ryan DeSousa, John Dallas Pruitt, Jared Nelson | 2019-04-09 |
| 10253112 | Soft silicone medical devices | Frank Chang, Xinming Qian, Robert Scott, Joseph Michael Lindacher, Uwe Haken | 2019-04-09 |
| 10138316 | Amphiphilic branched polydiorganosiloxane macromers | Frank Chang, Jinyu Huang | 2018-11-27 |