Thiol-containing composition for optical material and polymerizable composition for optical material
US11840599B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2020 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Jul 16, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/041
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The thiol-containing composition for an optical material of the present invention includes a compound (A) represented by General Formula (a), and a compound (B) composed of at least one selected from a compound (b2-1) represented by General Formula (b2-1), a compound (b3-1) represented by General Formula (b3-1), a compound (b3-2) represented by General Formula (b3-2), and a compound (b4-2) represented by General Formula (b4-2), in which, in high-performance liquid chromatography measurement, the total peak area ratio of the compound included in the compound (B) is 0.1% to 60.0% with respect to the peak area 100 of the compound (A).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.