Silicone elastomer-hydrogel hybrid contact lenses
US10139521B2 · kind B2 · utility
21Cited by
10References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2017 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | Mar 29, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A silicone elastomer-hydrogel hybrid contact lens includes a silicone elastomer layer and a hydrogel layer adhered to the silicone elastomer layer by a delamination-resistant bond that is formed by an elastomer-swellable monomer that is included in the polymerizable composition used to form the hydrogel layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.