Ultraviolet-hardenable adhesive
US5145884A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 1990 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Aug 16, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J4/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ultraviolet-hardenable adhesive for bonding a non-water swellable, ophthalmic-lens to a support member, in producing a non-water swellable ophthalmic lens, the adhesive containing at least one photopolymerizing monomer, and at least one photoinitiator, the at least one photopolymerizing monomer being selected from the group consisting of acrylates or methacrylates represented by following general formulas (I) and (II): ##STR1## wherein R.sub.1 is hydrogen or methyl, PA0 R.sub.2 is hydrogen or methyl, PA0 R.sub.3 is hydrogen or methyl, PA0 m is a positive integer from 2 to 20, and PA0 n is a positive integer from 1 to 5. A method of bonding a lens blank to a support member with an adhesive, and a processing of manufacturing a lens using an adhesive, are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.