Plastic lens of neopentyl glycol dimethacrylate copolymerized with methoxy diethylene glycol methacrylate or diethylene glycol dimethacrylate
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United States of America Patent
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Aug 20, 1985
Grant Date -
N/A
app pub date -
Apr 1, 1983
filing date -
Apr 1, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
There are provided acrylic plastic lenses having a wide range of refractive indices as well as excellent physical and optical properties by polymerization of specific acrylic monomers in the presence of a photopolymerization initiator and a thermal polymerization catalyst.
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