Organic glass ophthalmic lens having an impact-resistant primer layer based on a polyurethane latex and its manufacturing process
US6858305B2 · kind B2 · utility
6Cited by
3References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2001 |
| Grant date | Feb 22, 2005 |
| Priority date | — |
| Expiry date | Jan 17, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to an organic glass ophthalmic lens having an impact-resistant primer layer based on a polyurethane latex and its manufacturing process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.