Contact lenses with microchannels
US11947192B2 · kind B2 · utility
0Cited by
15References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2022 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Dec 6, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D11/00134
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A contact lens comprising one or more microchannels for transport of liquid through the lens is provided. The contact lens can be made by contacting a curable composition with a microfiber that is insoluble in the curable composition; curing the curable composition to provide a polymeric lens body with the microfiber embedded therein; and contacting the polymeric lens body with a solvent to dissolve the microfiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.