Thin film in-line degasser
US7717982B2 · kind B2 · utility
0Cited by
34References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2004 |
| Grant date | May 18, 2010 |
| Priority date | — |
| Expiry date | Aug 11, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2011/0041
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a stackable packing element for use in degassing liquid ophthalmic lens monomer and a lens resulting therefrom. One or more stackable elements can be used to form a modular degasser and implement an in-line degassing process, employing same. The stackable packing element is comprised of a body module and a removable puck component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.