| 发明名称 |
COMPOSITE OPHTHALMIC LENSES |
| 摘要 |
of the Invention This invention is directed to the production of glass-plastic lenses consisting of a thin glass element bonded to a relatively thick transparent lens or lens preform made of poly(diethylene glycol)bis(allyl carbonate) by a transparent thermoset, polyurethane adhesive layer of optical quality having an elongation at rupture of at least 200% and an elastic modulus in the range of 0.13-10 MPa and at 100% elongation.
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| 申请公布号 |
CA2073477(A1) |
申请公布日期 |
1993.01.13 |
| 申请号 |
CA19922073477 |
申请日期 |
1992.07.08 |
| 申请人 |
CORNING INCORPORATED |
发明人 |
FIRTION, ERIC;HENRY, DAVID;THERON, JEAN-JACQUES;VACHET, ANDRE J.;VIAL, JACQUES J. |
| 分类号 |
A61L27/00;B32B7/02;B32B7/12;B32B17/10;B32B27/36;B32B27/40;C08G18/12;C08G18/66;C09J175/00;C09J175/04;C09J175/08;G02B1/04;G02C7/02;(IPC1-7):G02B1/00 |
主分类号 |
A61L27/00 |
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