Liquid polymerizable composition comprising mineral nanoparticles and its use to manufacture an optical article
US12173176B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Dec 28, 2020 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Feb 3, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31935
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a liquid polymerizable composition including a phosphine oxide or a phosphine sulphide monomer composition with mineral nanoparticles homogeneously dispersed therein, as well as its use for the preparation of a transparent polymeric material having a high refractive index and its use in the optical field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.