Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12358247 | Contact lenses with softer lens surfaces | Yongxing Qiu, John Dallas Pruitt, Ciara Dauenhauer, Paul William Oyler, Robert Carey Tucker | 2025-07-15 |
| 12270968 | Weekly and monthly disposable water gradient contact lenses | Yongxing Qiu, John Dallas Pruitt, Newton T. Samuel, Robert Carey Tucker, Yuan Chang +1 more | 2025-04-08 |
| 11952449 | Poly(meth)acrylamide-based copolymers with carboxyl-terminated pendant chains | Frank Chang, Feng Jing, Troy Vernon Holland, John Dallas Pruitt | 2024-04-09 |
| 11933941 | Weekly and monthly disposable water gradient contact lenses | Yongxing Qiu, John Dallas Pruitt, Newton T. Samuel, Robert Carey Tucker, Yuan Chang +1 more | 2024-03-19 |
| 11459479 | Method for making coated silicone hydrogel contact lenses | Yongxing Qiu, Newton T. Samuel, Richard Govan, Ciara Dauenhauer | 2022-10-04 |
| 11385478 | Process for producing contact lenses with durable lubricious coatings thereon | Yongxing Qiu, John Dallas Pruitt, Kelly Kayi Tallau, Angela Driver-Scott | 2022-07-12 |
| 11256003 | Weekly and monthly disposable water gradient contact lenses | Yongxing Qiu, John Dallas Pruitt, Newton T. Samuel, Robert Carey Tucker, Yuan Chang +1 more | 2022-02-22 |
| 11029447 | Method for producing MPS-compatible water gradient contact lenses | Yongxing Qiu, John Dallas Pruitt, Newton T. Samuel, Angela Driver-Scott, Ciara Dauenhauer +1 more | 2021-06-08 |
| 10920099 | Poly(meth)acrylamide-based copolymers with carboxyl-terminated pendant chains | Frank Chang, Feng Jing, Troy Vernon Holland, John Dallas Pruitt | 2021-02-16 |
| 10830923 | Method for producing MPS-compatible water gradient contact lenses | Yongxing Qiu, Kasey Jon Minick, John Dallas Pruitt, Newton T. Samuel, Kelly Kayi Tallau +2 more | 2020-11-10 |
| 10676608 | Phosphorylcholine-containing poly(meth)acrylamide-based copolymers | Frank Chang, Feng Jing, Troy Vernon Holland, John Dallas Pruitt | 2020-06-09 |
| 10611923 | Azetidinium-containing copolymers and uses thereof | Troy Vernon Holland, Frank Chang, Yongxing Qiu, John Dallas Pruitt, Venkat Shankar +2 more | 2020-04-07 |
| 10526470 | Method for producing a water-soluble thermally-crosslinkable polymeric material | Yongxing Qiu, Kelly Kayi Tallau, Angela Driver-Scott | 2020-01-07 |
| 10449740 | Method for applying stable coating on silicone hydrogel contact lenses | Xinming Qian, Jared Nelson, Robert Carey Tucker, Steve Yun Zhang, Daqing Wu +6 more | 2019-10-22 |
| 10100219 | Azetidinium-containing copolymers and uses thereof | Troy Vernon Holland, Frank Chang, Yongxing Qiu, John Dallas Pruitt, Venkat Shankar +2 more | 2018-10-16 |
| 9422447 | Azetidinium-containing copolymers and uses thereof | Troy Vernon Holland, Frank Chang, Yongxing Qiu, John Dallas Pruitt, Manivakkam J. Shankernarayanan +2 more | 2016-08-23 |
| 6881337 | Melt-spun polysulfone semipermeable membranes and methods for making the same | Timothy B. Meluch, Hamid Jaanine, Thanh Duc Nguyen, John M. Radovich, Kees Ruzius +2 more | 2005-04-19 |
| 6218441 | Melt-spun polysulfone semipermeable membranes and methods for making the same | Timothy B. Meluch, Hamid Jaanine, Thanh Duc Nguyen, John M. Radovich, Kees Ruzius +2 more | 2001-04-17 |