Polymer compositions for contact lenses
US5824719A · kind A · utility
61Cited by
8References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Oct 20, 1998 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/043
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An improved hydrogel formed from hydrated polymerization products of monomer mixtures containing a major amount of at least one hydrophilic monomer and a strengthening monomer wherein the strengthening monomer is 2-hydroxycyclohexyl methacrylate. Contact lenses made from the hydrogels are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.