Polymeric composition exhibiting nanogradient of refractive index
US11427665B2 · kind B2 · utility
1Cited by
156References
12Claims
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Key dates
| Filing date | Aug 14, 2020 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Sep 14, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Ionized radiation-absorbed, dose sensitive, highly flexible polymeric compositions are provided that exhibits multidirectional changes in refractive index. Also provided are methods of producing a precision multi-directional nanogradient of refractive index in a polymeric composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.