Contact lens containing a fluorinated telechelic polyether
US4440918A · kind A · utility
101Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 1982 |
| Grant date | Apr 3, 1984 |
| Priority date | — |
| Expiry date | Jan 18, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F220/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Ophthalmic devices of telechelic perfluorinated polyethers, and polymers and compositions for making such devices are disclosed. The devices possess improved oxygen permeability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.