Polyurethanes polymerizable composition and method for producing optical resin of the same
US8772441B2 · kind B2 · utility
0Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2005 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Nov 13, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A resin composition for an optical material that has excellent balance of refractive index of resin, Abbe number, heat resistance, specific gravity, and resin strength, a resin obtained by curing the resin composition, and an optical material are provided.A polymerizable composition comprising the following is used:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.