Optical material, polymerizable composition for optical material, cured product, optical material, plastic lens, method of producing optical material, and method of using optical material
US12135472B2 · kind B2 · utility
0Cited by
0References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 17, 2020 |
| Grant date | Nov 5, 2024 |
| Priority date | — |
| Expiry date | Oct 3, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/108
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
In an optical material, a transmittance curve satisfies the following characteristics (1) and (2) and a hue in the CIE 1976 (L*, a*, b*) color space satisfies the following characteristic (3),
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.