Alkyl sulfide type episulfide compound
US5807975A · kind A · utility
74Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1996 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | Aug 2, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An alkyl sulfide type episulfide compound represented by the following general formula (I) or (II) is herein disclosed: ##STR1## A material obtained by polymerizing/curing the above-mentioned compound is desirable as an optical material for various purposes, particularly a lens material for spectacles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.