Fluorine-containing block copolymer and artificial lens comprising the same
US5282854A · kind A · utility
19Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1992 |
| Grant date | Feb 1, 1994 |
| Priority date | — |
| Expiry date | Oct 13, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
a fluorine-containing block copolymer comprising at least one soft segment which comprises chlorotrifluoroethylene and vinylidene fluoride and at least one hard segment which comprises a fluorine-containing crystalline polymer, which copolymer has good flexibility and transparency and useful as a material for an artificial lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.