Methods and compositions for the manufacture of ophthalmic lenses
US6630083B1 · kind B1 · utility
13Cited by
24References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1999 |
| Grant date | Oct 7, 2003 |
| Priority date | — |
| Expiry date | Dec 21, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2011/0041
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides methods and compositions for producing lenses by casting. The processes utilize a two-stage, ultraviolet cure to provide a fast and reliable method for producing ophthalmic lenses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.