Facilitating release of silicone hydrogel ophthalmic lenses
US7789507B2 · kind B2 · utility
3Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2007 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Mar 25, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2011/0041
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
This invention includes methods and systems for processing hydrogel biomedical devices, such as ophthalmic lenses using polyethylene glycol to facilitate release of the devices from a mold part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.