Silicone hydrogel contact lens
US6861123B2 · kind B2 · utility
32Cited by
64References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2000 |
| Grant date | Mar 1, 2005 |
| Priority date | — |
| Expiry date | Nov 29, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31667
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention provides molds and mold inserts useful in the production of contact lenses. In particular, the invention provides high optical quality molds and inserts useful for manufacturing silicone hydrogel contact lenses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.