Cast lens
US10962684B2 · kind B2 · utility
0Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 2017 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Jun 10, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/16
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An ophthalmic lens incorporating an optically functional wafer having improved adhesion to a polymerized polyurea-urethane bulk lens resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.