Method for making contact lens hydrophilic
US4892402A · kind A · utility
42Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1988 |
| Grant date | Jan 9, 1990 |
| Priority date | — |
| Expiry date | Apr 28, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/043
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A contact lens is made hydrophilic by contacting the lens with a treating solution containing a hydrophilic monomer, at least one photosensitizer selected from aromatic ketones or quinones, and a sovlent, and thereafter irradiating the contact lens with ultraviolet light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.