Ophthalmic lens comprising an oxazolone
US12282138B2 · kind B2 · utility
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1References
20Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 11, 2019 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Jun 9, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/011
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to ophthalmic lenses comprising an oxazolone, a preparation method thereof and the use of an oxazolone in an ophthalmic lens to absorb blue light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.