Polymerizable absorbers of UV and high energy visible light
US11820899B2 · kind B2 · utility
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142References
10Claims
0Family size
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Key dates
| Filing date | Dec 3, 2020 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Feb 6, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/45
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Described are polymerizable high energy light absorbing compounds. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.