Polymeric contact lens material of improved oxygen permeability
US5424468A · kind A · utility
1Cited by
19References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 1994 |
| Grant date | Jun 13, 1995 |
| Priority date | — |
| Expiry date | Feb 1, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F20/58
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This specification provides a polymeric material useful for manufacturing contact lenses having improved oxygen permeability. The contact lenses prepared from the polymeric material of the invention show improved hydrophilicity and enhanced oxygen permeability as compared with that made of the conventional fluoroalkyl-containing polymeric materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.