High index/high abbe number composition
US6313251A · kind A · utility
24Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1999 |
| Grant date | Nov 6, 2001 |
| Priority date | — |
| Expiry date | Sep 28, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/041
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A cross-linkable polymeric casting composition including an effective amount of PA1 A: an acrylic or methacrylic monomer which provides high rigidity and low color dispersion (High Abbe number) to the final product; PA1 B: a di- or polythiol compound; PA1 C: a di- or polyvinyl monomer; and optionally PA1 D: a polymerizable comonomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.