Opticol Corp.
5Patents
0Active
5Granted
30Portfolio score
Filing activity: Apr 4, 1979 → Jul 16, 1986
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4264155A | Collagen contact lens | Chemistry; Metallurgy | 52 | Expired |
| US4268131A | Fiber collagen contact lens | Physics | 44 | Expired |
| US4223984A | Collagen soft contact lens | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4260228A | Collagen gel contact lens and method of preparation | Chemistry; Metallurgy | 29 | Expired |
| US4748152A | Succinylated atelocollagen solution for use in viscosurgery and as a vitreous substitute | Human Necessities | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.