Perfluorocyclobutane copolymers
US7402634B2 · kind B2 · utility
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43References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2005 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | Jun 9, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/043
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides copolymer having repeating units based on polyoxyalkylene radicals, polysiloxane radicals and perfluorocyclobutane radicals. The copolymers are useful as biomedical devices such as contact lenses or intraocular lenses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.