Resin having a large refractive index, lenses comprising the resin and process for preparing the lens
US5084545A · kind A · utility
18Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1989 |
| Grant date | Jan 28, 1992 |
| Priority date | — |
| Expiry date | Jul 13, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/7893
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a process for producing a resin useful in plastic lenses, to plastic lenses containing the resin and to a process for producing the lenses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.