Crosslinked copolymers and ophthalmic devices amde from vinylic macromers containing perfluoropolyalkylether and polyalkylether segments and minor amounts of vinylic comonomers
US5002978A · kind A · utility
21Cited by
5References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 21, 1990 |
| Grant date | Mar 26, 1991 |
| Priority date | — |
| Expiry date | Feb 21, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/937
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The instant invention relates to crosslinked copolymers of (a) vinylic macromers containing perfluoropolyalkylether and polyalkylether segments with (b) minor amounts of vinylic comonomers and ophthalmic devices such as intraocular implants and contact lenses and particularly soft hydrogel contact lenses made therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.