Crosslinked copolymers and ophthalmic devices made from vinylic macromers containing perfluoropolyalkyl ether and polyalkyl ether segments and minor amounts of vinylic comonomers
US4929692A · kind A · utility
12Cited by
6References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 11, 1989 |
| Grant date | May 29, 1990 |
| Priority date | — |
| Expiry date | Jan 11, 2009 |
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.