Silicone hydrogel lens with a grafted hydrophilic coating
US8409599B2 · kind B2 · utility
39Cited by
37References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2010 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Jul 22, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/043
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention provides a cost-effective method for applying a hydrophilic coating onto a silicone hydrogel contact lens based on Fenton chemistry. The hydrophilic coating is covalently attached onto the contact lens at room temperature without UV irradiation. The invention also provides silicone hydrogel contact lenses having a hydrophilic coating obtained according to the method of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.