Lens blocking/deblocking method
US5380387A · kind A · utility
47Cited by
16References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1994 |
| Grant date | Jan 10, 1995 |
| Priority date | — |
| Expiry date | Jun 23, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/11
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In a method for manufacturing ophthalmic, telescopic, microscopic, etc. lenses, the use of a radiation (e.g., UV or visible light) curable adhesive formulation containing a predominant amount of an acrylic capped organic prepolymer; a lesser amount of an ethylenically unsaturated diluent monomer; a minor amount of a non-reactive releasing agent and a suitable photoinitiator for blocking (bonding) and deblocking (debonding) a lens blank to a support member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.