Ophthalmic lens made of organic glass with an impact-resistant interlayer, and process for its manufacture
US6489028B1 · kind B1 · utility
18Cited by
3References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1999 |
| Grant date | Dec 3, 2002 |
| Priority date | — |
| Expiry date | Jul 16, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31935
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The ophthalmic lens according to the invention includes a substrate made of organic glass, at least one abrasion-resistant coating and at least one primer layer inserted between the substrate and the abrasion-resistant coating, the impact-resistant primer layer being formed from a latex composition including at least one latex comprising butadiene units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.