Ophthalmic device comprising a polymer of a telechelic perfluoropolyether
US4818801A · kind A · utility
77Cited by
17References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1982 |
| Grant date | Apr 4, 1989 |
| Priority date | — |
| Expiry date | Dec 13, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/937
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Ophthalmic devices, such as contact lenses, of polymers of telechelic perfluorinated polyether monomers, 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.