Permeable Technologies, Inc.
10Patents
0Active
10Granted
34Portfolio score
Filing activity: Apr 10, 1990 → Apr 25, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5314960A | Silicone-containing polymers, oxygen permeable hydrophilic contact lenses and methods for making these lenses and treating patients with visual impairment | Chemistry; Metallurgy | 270 | Expired |
| US5371147A | Silicone-containing acrylic star polymers, block copolymers and macromonomers | Chemistry; Metallurgy | 244 | Expired |
| US5244981A | Silicone-containing contact lens polymers, oxygen permeable contact lenses and methods for making these lenses and treating patients with visual impairment | Physics | 175 | Expired |
| US5331067A | Silicone-containing contact lens polymers, oxygen permeable contact lenses and methods for making these lenses and treating patients with visual impairment | Physics | 167 | Expired |
| US5314961A | Silicone-containing polymers, compositions and improved oxygen permeable hydrophilic contact lenses | Chemistry; Metallurgy | 150 | Expired |
| US5691797A | Multifocal contact lens | Physics | 59 | Expired |
| US5898473A | Multifocal corneal contact lens | Physics | 53 | Expired |
| US5619289A | Multifocal contact lens | Physics | 42 | Expired |
| US5526071A | Multifocal contact lens and method for preparing | Physics | 40 | Expired |
| US5812236A | Multifocal corneal contact lens pair | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.