Polymeric composition exhibiting nanogradient of refractive index
US10774164B2 · kind B2 · utility
2Cited by
148References
17Claims
0Family size
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Key dates
| Filing date | Aug 19, 2019 |
| Grant date | Sep 15, 2020 |
| Priority date | — |
| Expiry date | Aug 19, 2039 |
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.