Method and compositions for manufacturing plastic optical lens
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United States of America Patent
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Oct 2, 2007
Grant Date -
Jul 8, 2004
app pub date -
Dec 19, 2000
filing date -
Jul 24, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A polymerizable resin material for making a plastic lens includes bisphenol A ethoxylate (1 to 4) dimethacrylate and benzylmethacrylate, and, optionally, one or more stabilizing monomers, preferably selected from trimethylolpropane trimethacrylate, isobornyl methacrylate, ethoxylate nonyl phenol acrylate, ethyoxylate nonyl phenol, and/or 2-phenoxyethyl methacrylate esters. The polymerizable resin material is cured when exposed to heat or visible and/or UV light for a period of about two minutes or less.
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