Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790816 | High osmolyte cleaning and disinfection method and solution for contact lenses | Erning Xia, Christine E. Soltys-Robitaille | 2004-09-14 |
| 6348507 | Surface treatment of silicone hydrogel contact lenses | David J. Heiler, Suzanne F. Groemminger, John Denick, Jr. | 2002-02-19 |
| 6309658 | Treatment of contact lenses with aqueous solution comprising a carbonate salt for enhanced cleaning | Erning Xia, John Denick, Jr. | 2001-10-30 |
| 6143244 | Treatment of contact lenses with aqueous solution comprising a biguanide disinfectant and a complementary phosphate-borate buffer system | Erning Xia, Jill S. Rogalskyj | 2000-11-07 |