High optical quality molds for use in contact lens production
US7731148B2 · kind B2 · utility
0Cited by
82References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2008 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | Aug 6, 2028 |
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.