Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620954 | Hydrogel from ultraviolet-initiated copolymerization | Helmut Singer, Ellen C. Bellantoni | 1986-11-04 |
| 4396583 | Device for single solution contact lens sterilization | — | 1983-08-02 |
| 4294974 | Hydrophilic silicone compounds and contact lenses containing polymers thereof | — | 1981-10-13 |
| 4261875 | Contact lenses containing hydrophilic silicone polymers | — | 1981-04-14 |
| 4246389 | Contact lens composition having increased oxygen permeability | — | 1981-01-20 |