Highly-refractive plastic lens
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United States of America Patent
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-
Jan 26, 1988
Issued Date -
N/A
app pub date -
Feb 25, 1987
filing date -
Sep 19, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A plastic lens formed from a copolymer of three components. A first component which is a vinyl monomer having a nucleus-halogen-substituted aromatic ring. A second component which is selected from at least one member of the group consisting of aliphatic diacrylate, dimethacrylate, triacrylate, and trimethacrylate. A third component is chosen from mono-acrylate or mono-methacrylate having a nucleus-halogen substituted aromatic ring. The components are present in the weight ratio of 20/15/0 to 85/80/60 weight percent, respectively.
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